Annual report pursuant to Section 13 and 15(d)

Equity Incentive Plan - Additional Information (Details)

v3.20.1
Equity Incentive Plan - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Apr. 04, 2019
Apr. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Equity Incentive Plan        
Allocated Share-based Compensation Expense   $ 80,492    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period 49,584      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period 11,900      
Share-based Compensation Arrangement by Share-based Payment Award, Options Unissued, Forfeitures in Period 25,000      
Employee [Member]        
Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     1,000  
Boardmembers        
Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     23,400 12,206
Executives        
Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     94,000 30,000
Restricted Stock Units (RSUs) [Member]        
Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number       6,938
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period     6,938  
Stock Issued During Period, Value, Employee Stock Ownership Plan       $ 158,110
Stock Issued During Period Value Employee Stock Ownership Plan Forfeited       $ 37,880
Restricted Stock Units (RSUs) [Member] | Share-based Payment Arrangement, Employee [Member]        
Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period       11,750
Performance Stock Units (PSUs) [Member]        
Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number       11,900
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period     11,900 6,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period       6,000
Stock Issued During Period, Value, Employee Stock Ownership Plan       $ 45,467
Stock Issued During Period Value Employee Stock Ownership Plan Forfeited       $ 6,481
Performance Stock Units (PSUs) [Member] | Share-based Payment Arrangement, Employee [Member]        
Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period       1,200
2013 Equity Incentive Plan [Member]        
Equity Incentive Plan        
Allocated Share-based Compensation Expense     $ 76,808  
Unrecognized compensation cost related to non-vested share-based compensation arrangements     $ 176,266  
Weighted average period for recognition     1 year 6 months  
Value of options granted     $ 253,074 $ 330,713
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value     $ 0  
Equity Incentive Plan [Member]        
Equity Incentive Plan        
Shares of common stock available for issuance under the Plan (in shares)     22,663  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     118,400 42,206