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Basis of Presentation - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Organization, Consolidation And Presentation Of Financial Statements [Line Items]      
Working Capital Deficiency $ (3,600,000)    
Deferred revenue 4,151,083   $ 4,603,270
Total Stockholders' Deficit (14,566,353)   (14,608,186)
Net income (loss) 425,248 $ (719,840)  
Net cash used in operating activities 137,659 $ (398,331)  
Cash and cash equivalents 2,020,989   1,920,656
Cash Period Change 100,333    
Series A redeemable convertible preferred stock, redemption value 13,623,747   $ 13,346,577
Amended and Restated Loan Agreement [Member]      
Organization, Consolidation And Presentation Of Financial Statements [Line Items]      
Notes payable 3,500,000    
Amended and Restated Loan Agreement [Member] | HCP-FVA, LLC      
Organization, Consolidation And Presentation Of Financial Statements [Line Items]      
Notes payable $ 2,200,000