Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Stock Option Activity) (Details)

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Stockholders' Equity (Stock Option Activity) (Details) - Stock Options [Member] - shares
9 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding at Beginning of Period 5,043,228 5,382,923
Granted 1,621,500 3,348,000
Canceled/forfeited/expired (842,051) (3,687,695)
Outstanding at End of Period 5,822,677 5,043,228