Annual report pursuant to Section 13 and 15(d)

Stockholders Equity and StockBased Compensation (Details 2)

v3.21.1
Stockholders Equity and StockBased Compensation (Details 2)
12 Months Ended
Dec. 31, 2020
$ / shares
Stockholders Equity and StockBased Compensation  
Expected volatility 86.00%
Risk free interest rate 1.65%
Dividend yield rate 0.00%
Weighted average years 5 years
Closing price per share - common stock $ 3.82