XML 67 R55.htm IDEA: XBRL DOCUMENT v3.21.2
Summary of Stock Option Activity (Details)
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Equity [Abstract]  
Number of Options Outstanding, Beginning Balance | shares 134,931
Weighted- Average Exercise Price Options Outstanding, Beginning Balance | $ / shares $ 4.71
Number of Options Outstanding, granted | shares 5,000
Weighted- Average Exercise Price Options Outstanding, granted | $ / shares $ 0.53
Number of Options Outstanding, canceled | shares (68,845)
Weighted- Average Exercise Price Options Outstanding, canceled | $ / shares $ 5.31
Number of Options Outstanding, Ending Balance | shares 71,086
Weighted- Average Exercise Price Options Outstanding, Ending Balance | $ / shares $ 3.34
Number of Options Exercisable, Ending Balance | shares 65,503
Weighted- Average Exercise Price Options Exercisable, Ending Balance | $ / shares $ 3.21