Annual report pursuant to Section 13 and 15(d)

Equity Incentive Plan - Additional Information (Details)

v3.21.1
Equity Incentive Plan - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2020
Employees      
Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 5,500    
Board members      
Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 52,791 23,400  
Executives      
Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 168,400 94,000  
2013 Equity Incentive Plan [Member]      
Equity Incentive Plan      
Allocated Share-based Compensation Expense, Total $ 754,369    
Unrecognized compensation cost related to non-vested share-based compensation arrangements $ 47,372    
Weighted average period for recognition 1 year    
Value of options granted $ 758,214 $ 253,074  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value 1,200,000    
Allocated Share-based Compensation Expense $ 754,369    
Equity Incentive Plan [Member]      
Equity Incentive Plan      
Shares of common stock available for issuance under the Plan (in shares) 148,961   350,000
Allocated Share-based Compensation Expense, Total $ 79,444 $ 76,808  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 226,691 118,400  
Allocated Share-based Compensation Expense $ 79,444 $ 76,808  
Equity Incentive Plan [Member] | Employees      
Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   1,000