Annual report pursuant to Section 13 and 15(d)

6. Notes Payable and Interest Expense (Details)

v3.19.1
6. Notes Payable and Interest Expense (Details) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Jan. 08, 2019
Nov. 14, 2018
Apr. 19, 2018
Feb. 28, 2018
Mar. 31, 2017
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Jan. 08, 2017
Debt Instrument [Line Items]                  
Amortization of deferred financing costs             $ 0 $ 28,249  
Interest expense             210,422 $ 169,044  
Debt, principal amount             $ 1,000,000    
Prepayment penalty, interest rate             2.00%    
Bdc Term Loan [Member]                  
Debt Instrument [Line Items]                  
Maturity date             Sep. 15, 2019    
Amortization of deferred financing costs             $ 856    
Debt issuance costs             $ 0   $ 1,529
Stated rate             12.00% 12.00%  
Bdc Term Loan [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Loan interest rate increase 20.00%                
Svb Working Capital Line Of Credit Facility [Member]                  
Debt Instrument [Line Items]                  
Maturity date             Mar. 30, 2018    
Maximum current borrowing capacity         $ 2,000,000        
Borrowing under Facility               $ 1,000,000  
Commitment percentage per annum         0.50%        
Debt instrument, term             2 years    
Capitalized debt issuance costs               $ 47,287  
Amortization of deferred financing costs             $ 27,393    
Debt issuance costs             $ 0    
Svb Working Capital Line Of Credit Facility [Member] | Minimum [Member] | Prime Rate [Member]                  
Debt Instrument [Line Items]                  
Basis spread on interest rate         (1.75%)        
Svb Working Capital Line Of Credit Facility [Member] | Maximum [Member] | Prime Rate [Member]                  
Debt Instrument [Line Items]                  
Basis spread on interest rate         3.75%        
Acoa Note [Member]                  
Debt Instrument [Line Items]                  
Maturity date             May 01, 2023    
Bridge Loan Promissory Note [Member]                  
Debt Instrument [Line Items]                  
Borrowing under Facility     $ 1,000,000            
Facility fee     1.00%            
Repayment of promissory note           $ 1,000,000      
Stated rate     2.00%            
Wintrust Loan [Member]                  
Debt Instrument [Line Items]                  
Borrowing under Facility   $ 1,000,000              
Proceeds from loan re-finance   $ 1,000,000              
Wintrust Loan [Member] | Prime Rate [Member]                  
Debt Instrument [Line Items]                  
Basis spread on interest rate   1.50%              
Notes Due December312018 [Member]                  
Debt Instrument [Line Items]                  
Debt, principal amount       $ 1,080,000          
Stated rate       15.00%          
Prepayment penalty, interest rate       2.00%          
Repayment of related party debt             $ 1,000,000    
Related Party Note             $ 80,000    
Notes Due December312018 [Member] | Maximum [Member]                  
Debt Instrument [Line Items]                  
Debt, principal amount       $ 750,000