Stock-based Plans and Stock-based Compensation (Stock Options-Narrative) (Details)
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12 Months Ended |
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Nov. 17, 2016
USD ($)
employee
$ / shares
shares
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Aug. 23, 2016
USD ($)
item
$ / shares
shares
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Mar. 24, 2016
USD ($)
employee
$ / shares
shares
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Jan. 19, 2016
USD ($)
employee
$ / shares
shares
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Jan. 15, 2016
USD ($)
employee
$ / shares
shares
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Nov. 19, 2015
USD ($)
customer
$ / shares
shares
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Oct. 16, 2015
USD ($)
employee
$ / shares
shares
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Aug. 20, 2015
USD ($)
item
$ / shares
shares
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Jun. 01, 2015
USD ($)
employee
$ / shares
shares
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May 13, 2015
USD ($)
employee
$ / shares
shares
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May 04, 2015
USD ($)
employee
$ / shares
shares
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Apr. 27, 2015
USD ($)
employee
$ / shares
shares
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Apr. 16, 2015
USD ($)
employee
$ / shares
shares
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Mar. 02, 2015
USD ($)
employee
$ / shares
shares
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Feb. 16, 2015
USD ($)
employee
$ / shares
shares
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Feb. 11, 2015
USD ($)
employee
$ / shares
shares
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Jan. 22, 2015
USD ($)
employee
$ / shares
shares
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Jan. 01, 2015
USD ($)
employee
$ / shares
shares
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Dec. 31, 2016
USD ($)
$ / shares
shares
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Dec. 31, 2015
USD ($)
$ / shares
shares
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Dec. 31, 2014
$ / shares
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Shares authorized under stock plan | shares |
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5,757,880
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Estimated value | $ |
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$ 1,953,600
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$ 4,570,500
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Shares available for future grants | shares |
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327,135
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Continuous service period |
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4 years
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Options to purchase shares, in-the-money | shares |
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2,499,500
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Options granted | shares |
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1,771,500
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3,348,000
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Options to purchase, expected to vest | shares |
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5,757,880
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Weighted average grant date fair value |
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$ 0.61
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$ 0.93
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Unearned stock based compensation expense | $ |
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$ 2,505,275
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Weighted average exercise price |
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$ 1.16
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$ 1.37
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$ 1.76
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Maximum [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Contractual terms (period) |
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10 years
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Minimum [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Contractual terms (period) |
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5 years
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Stock Option Issuance 1 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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36 months
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Weighted average grant date fair value |
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$ 1.19
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Number of employees, options granted | employee |
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1
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Options granted | shares |
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15,000
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Volatility rate |
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132.00%
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Call option value, price per share |
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$ 1.07
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Call option value | $ |
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$ 16,050
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Percent of shares vested on first anniversary of grant date |
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25.00%
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Stock Option Issuance 2 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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48 months
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Weighted average grant date fair value |
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$ 1.28
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Number of employees, options granted | employee |
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1
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Options granted | shares |
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900,000
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Volatility rate |
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132.00%
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Call option value, price per share |
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$ 1.15
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Call option value | $ |
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$ 1,035,000
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Stock Option Issuance 3 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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36 months
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Weighted average grant date fair value |
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$ 1.28
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Number of employees, options granted | employee |
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3
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Options granted | shares |
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471,500
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Volatility rate |
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132.00%
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Call option value, price per share |
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$ 1.15
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Call option value | $ |
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$ 542,225
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Percent of shares vested on first anniversary of grant date |
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25.00%
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Stock Option Issuance 4 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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36 months
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Weighted average grant date fair value |
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$ 1.20
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Number of employees, options granted | employee |
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1
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Options granted | shares |
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3,000
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Volatility rate |
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132.00%
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Call option value, price per share |
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$ 1.08
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Call option value | $ |
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$ 3,240
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Percent of shares vested on first anniversary of grant date |
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25.00%
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Stock Option Issuance 5 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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48 months
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Weighted average grant date fair value |
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$ 1.30
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Number of employees, options granted | employee |
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1
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Options granted | shares |
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300,000
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Volatility rate |
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132.00%
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Call option value, price per share |
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$ 1.17
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Call option value | $ |
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$ 351,000
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Stock Option Issuance 6 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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48 months
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Weighted average grant date fair value |
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$ 1.20
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Number of employees, options granted | employee |
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1
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Options granted | shares |
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100,000
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Volatility rate |
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132.00%
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Call option value, price per share |
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$ 1.08
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Call option value | $ |
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$ 108,000
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Stock Option Issuance 8 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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36 months
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Weighted average grant date fair value |
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$ 1.20
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Number of employees, options granted | employee |
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5
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Options granted | shares |
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445,000
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Volatility rate |
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132.00%
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Call option value, price per share |
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$ 1.08
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Call option value | $ |
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$ 480,600
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Percent of shares vested on first anniversary of grant date |
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25.00%
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Stock Option Issuance 9 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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36 months
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Weighted average grant date fair value |
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$ 1.10
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Number of employees, options granted | employee |
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1
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Options granted | shares |
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20,000
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Volatility rate |
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132.00%
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Call option value, price per share |
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$ 0.99
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Call option value | $ |
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$ 19,800
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Percent of shares vested on first anniversary of grant date |
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25.00%
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Stock Option Issuance 10 [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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36 months
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|
|
Weighted average grant date fair value |
|
|
|
|
|
|
|
|
|
|
$ 1.00
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | employee |
|
|
|
|
|
|
|
|
|
|
2
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
|
|
|
|
|
|
|
|
|
|
25,000
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
|
|
|
|
|
|
|
|
|
132.00%
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
|
|
|
|
|
|
|
|
|
$ 0.90
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
|
|
|
|
|
|
|
|
|
$ 22,500
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
|
|
|
|
|
|
|
|
|
|
25.00%
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 11 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36 months
|
|
|
Weighted average grant date fair value |
|
|
|
|
|
|
|
|
|
$ 0.99
|
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | employee |
|
|
|
|
|
|
|
|
|
1
|
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
|
|
|
|
|
|
|
|
|
20,000
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
|
|
|
|
|
|
|
|
132.00%
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
|
|
|
|
|
|
|
|
$ 0.89
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
|
|
|
|
|
|
|
|
$ 17,800
|
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
|
|
|
|
|
|
|
|
|
25.00%
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 12 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36 months
|
|
|
Weighted average grant date fair value |
|
|
|
|
|
|
|
|
$ 0.85
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | employee |
|
|
|
|
|
|
|
|
1
|
|
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
|
|
|
|
|
|
|
|
2,000
|
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
|
|
|
|
|
|
|
132.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
|
|
|
|
|
|
|
$ 0.77
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
|
|
|
|
|
|
|
$ 1,540
|
|
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
|
|
|
|
|
|
|
|
25.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 13 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36 months
|
|
|
Weighted average grant date fair value |
|
|
|
|
|
|
|
$ 0.75
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | item |
|
|
|
|
|
|
|
3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
|
|
|
|
|
|
|
400,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
|
|
|
|
|
|
132.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
|
|
|
|
|
|
$ 0.67
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
|
|
|
|
|
|
$ 268,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
|
|
|
|
|
|
|
25.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 14 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36 months
|
|
|
Weighted average grant date fair value |
|
|
|
|
$ 0.70
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | employee |
|
|
|
|
4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
|
|
|
|
167,500
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
|
|
|
114.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
|
|
|
$ 0.59
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
|
|
|
$ 98,825
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
|
|
|
|
25.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 15 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
48 months
|
|
|
Number of employees, options granted | employee |
|
|
|
1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of options vesting per month | shares |
|
|
|
300,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of options vested upon four-year cliff | shares |
|
|
|
100,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options, cliff period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 years
|
|
|
Options granted | shares |
|
|
|
500,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options to purchase, expected to vest | shares |
|
|
|
0.70
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
|
|
114.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
|
|
$ 0.59
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
|
|
$ 295,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 15 [Member] | Vesting Scenario 1 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Annual Revenue, Benchmark | $ |
|
|
|
13,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 15 [Member] | Vesting Scenario 2 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Annual Revenue, Benchmark | $ |
|
|
|
$ 22,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 16 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36 months
|
|
|
Weighted average grant date fair value |
|
|
$ 0.70
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | employee |
|
|
9
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
|
|
258,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
|
114.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
|
$ 0.59
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
|
$ 152,220
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
|
|
25.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 17 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36 months
|
|
|
Weighted average grant date fair value |
|
$ 0.75
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | item |
|
4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
|
695,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
114.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
$ 0.63
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
$ 440,573
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
|
25.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 18 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36 months
|
|
|
Weighted average grant date fair value |
$ 0.70
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | employee |
3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
150,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
114.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
$ 0.59
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
$ 89,048
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
25.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 23 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vesting period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36 months
|
|
|
Weighted average grant date fair value |
|
|
|
|
|
|
$ 0.48
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of employees, options granted | employee |
|
|
|
|
|
|
18
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Options granted | shares |
|
|
|
|
|
|
514,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Volatility rate |
|
|
|
|
|
|
116.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value, price per share |
|
|
|
|
|
|
$ 0.36
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Call option value | $ |
|
|
|
|
|
|
$ 185,040
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Percent of shares vested on first anniversary of grant date |
|
|
|
|
|
|
25.00%
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Stock Option Issuance 24 [Member] |
|
|
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Vesting period |
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36 months
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Weighted average grant date fair value |
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$ 0.41
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Number of employees, options granted | customer |
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4
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Options granted | shares |
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132,500
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Volatility rate |
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116.00%
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Call option value, price per share |
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$ 0.31
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Call option value | $ |
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$ 41,075
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Percent of shares vested on first anniversary of grant date |
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25.00%
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