XML 65 R55.htm IDEA: XBRL DOCUMENT v3.21.2
SCHEDULE OF FAIR VALUE STOCK OPTION ASSUMPTIONS (Details) - $ / shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Share-based Payment Arrangement [Abstract]    
Expected volatility 50.20% 44.70%
Expected life of options (in years) 7 years 6 years
Risk free interest rate 0.69% 1.17%
Dividend yield 0.00% 0.00%
Weighted-average fair value of options granted during year $ 3.81 $ 2.58