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Stockholders' Equity - Restricted Stock Units (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 03, 2020
USD ($)
shares
Sep. 30, 2021
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
employee
$ / shares
shares
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock issued for payment of services   $ 37,544 $ 31,250 $ 109,784 $ 93,749    
Fair value of common stock issued for future services       $ 147,329 125,000    
Common stock, par value (per share) | $ / shares   $ 0.0001   $ 0.0001   $ 0.0001  
Number of non-executive employees eligible for performance bonuses | employee       37      
Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Fair value of common stock issued for future services       $ 278,669      
Share-based compensation arrangement by share-based payment award, equity instruments other than options, aggregate intrinsic value, nonvested   $ 822,935   $ 822,935      
Restricted stock units, nonvested weighted average remaining contractual terms       1 year 4 months 24 days   1 year 2 months 12 days 3 years 2 months 12 days
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation | shares   18,398   200,942      
Restricted Stock Units, Value, Shares Issued Net of Tax Withholdings   $ 40,682   $ 437,644      
Common stock, par value (per share) | $ / shares   $ 1.92   $ 1.92      
Chief Operating Officer [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock issued for payment of services, net (shares) | shares 84,994         41,824  
Stock issued for payment of services $ 23,739         $ 14,052  
Sale of stock, vesting period (months) 48 months         48 months  
Chief Operating Officer [Member] | Additional incentive compensation for restricted stock units [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock issued for payment of services, net (shares) | shares 100,000            
Stock issued for payment of services $ 27,930            
Sale of stock, vesting period (months) 12 months            
Employees [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Restricted stock or unit expense   $ 147,044 $ 44,636 $ 427,287 $ 159,720    
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock issued for payment of services, net (shares) | shares       100,000   123,228  
Stock issued for payment of services       $ 394,000   $ 61,790  
Sale of stock, vesting period (months)       10 years   36 months  
Non Executive Employees [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock issued for payment of services, net (shares) | shares       30,514   580,099  
Stock issued for payment of services       $ 73,715   $ 215,936  
Sale of stock, vesting period (months)       12 months   12 months  
Former Chief Financial Officer [Member] | Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock issued for payment of services, net (shares) | shares       4,286      
Stock issued for payment of services       $ 8,101      
Sale of stock, vesting period (months)       36 months