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) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
David Eisenhaure    
Equity Incentive Plan    
Post-termination exercise period of vested stock option 5 years 12 months
Share-based compensation expense $ 49,327  
Restricted Stock Units (RSUs)    
Equity Incentive Plan    
Granted 0  
Unvested restricted stock options outstanding 100,000 100,000
Unvested restricted stock options vested or forfeited 0  
2013 Equity Incentive Plan    
Equity Incentive Plan    
Shares of common stock available for issuance under the Plan (in shares) 412,945  
Unrecognized compensation cost related to non-vested share-based compensation arrangements $ 1,650,209  
Weighted average period for recognition 1 year 3 months 18 days  
Granted 23,096  
Estimated fair value of options granted $ 185,889  
Estimated Fair Value of Stock Options Recognized $ 29,998  
Unvested restricted stock options outstanding 495,982 492,886
2013 Equity Incentive Plan | Employees    
Equity Incentive Plan    
Granted 10,000  
2013 Equity Incentive Plan | Board members    
Equity Incentive Plan    
Granted 13,096