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Bank Debt (Details) - USD ($)
Mar. 12, 2020
Feb. 28, 2020
Sep. 30, 2021
Dec. 31, 2020
Mar. 01, 2012
Hitachi Capital America Corp.          
Debt Instrument [Line Items]          
Commitment fee   $ 50,000      
Percentage due upon execution of agreement 50.00%        
Balance due, term   6 months      
Annual commitment fee amount   $ 15,000      
Quarterly service fee (as a percentage)   0.30%      
Amendment fee   $ 2,000      
Exit fee   50,000      
Outstanding balance     $ 0 $ 0  
Loan And Security Agreement | Hitachi Capital America Corp.          
Debt Instrument [Line Items]          
Line of credit facility, maximum borrowing capacity $ 5,000,000 $ 5,000,000      
Percentage of aggregate eligible accounts receivable   90.00%      
Percentage of aggregate unbilled accounts receivable   75.00%      
Percentage of amount available to borrow under maximum credit commitment   50.00%      
Stated interest rate   6.75%      
Credit Agreement | Western Alliance Bank          
Debt Instrument [Line Items]          
Extinguishment of debt $ 2,959,573        
Monthly Interest | Loan And Security Agreement | Hitachi Capital America Corp.          
Debt Instrument [Line Items]          
Stated interest rate   2.00%      
Revolving Credit Facility | Line of Credit | Bridge Bank, N.A. | Bridge Bank – Revolving Credit Line - March 1, 2012          
Debt Instrument [Line Items]          
Line of credit facility, maximum borrowing capacity         $ 10,000,000