Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plan (Details 3)

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Stock Incentive Plan (Details 3) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Stock Incentive Plan    
Stock options granted 403,476 174,357
Weighted-average grant date fair value per share $ 4.46 $ 9.03
Fair value of shares vested $ 1,152,572 $ 1,214,512