Quarterly report pursuant to Section 13 or 15(d)

6. Notes Payable and Interest Expense (Details)

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6. Notes Payable and Interest Expense (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 14, 2018
Jul. 26, 2019
Mar. 31, 2016
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Mar. 31, 2018
Feb. 28, 2018
Debt Instrument [Line Items]                    
Interest expense       $ 89,855 $ 109,635 $ 130,992 $ 167,124      
Debt, principal amount               $ 1,080,000    
Maximum [Member]                    
Debt Instrument [Line Items]                    
Debt, principal amount                   $ 750,000
Bdc Term Loan [Member]                    
Debt Instrument [Line Items]                    
Maturity date           Sep. 15, 2019        
Stated rate       20.00%   20.00%   20.00%    
Bdc Term Loan [Member] | Subsequent Event [Member]                    
Debt Instrument [Line Items]                    
Maturity date   Oct. 15, 2021                
Acoa Note [Member]                    
Debt Instrument [Line Items]                    
Maturity date           May 01, 2021        
Svb Working Capital Line Of Credit Facility [Member]                    
Debt Instrument [Line Items]                    
Maturity date           Mar. 30, 2018        
Maximum current borrowing capacity     $ 2,000,000              
Commitment percentage per annum     0.50%              
Debt instrument, term           2 years        
Capitalized debt issuance costs                 $ 42,287  
Amortization of deferred financing costs           $ 42,287        
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%              
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%                  
Related Party Notes [Member]                    
Debt Instrument [Line Items]                    
Debt, principal amount       $ 2,500,000   $ 2,500,000        
Stated rate       15.00%   15.00%        
Prepayment penalty, interest rate           2.00%