Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plan - Additional Information (Details)

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Equity Incentive Plan - Additional Information (Details)
3 Months Ended
Mar. 31, 2020
USD ($)
shares
Equity Incentive Plan  
Estimated fair value of stock options | $ $ 173,184
Estimated Fair Value of Stock Options Recognized | $ 100,919
2013 Equity Incentive Plan [Member]  
Equity Incentive Plan  
Unrecognized compensation cost related to non-vested share-based compensation arrangements | $ $ 232,952
Weighted average period for recognition 1 year 1 month 6 days
2013 Equity Incentive Plan [Member] | Employees  
Equity Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 3,000
Equity Incentive Plan [Member]  
Equity Incentive Plan  
Shares of common stock available for issuance under the Plan (in shares) 19,663
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 112,791
2020 Annual Shareholder Meeting | Board members  
Equity Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 52,791
2020 Annual Shareholder Meeting | Executives  
Equity Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 57,000