XML 118 R70.htm IDEA: XBRL DOCUMENT v3.21.1
Stock-Based Compensation - Schedule of Stock Option Activity (Details) - Stock Option [Member] - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Shares Under Option, Outstanding beginning balance 46,860 36,760
Shares Under Option, Granted 99,000 43,550
Shares Under Option, Forfeited and expired (500) (33,450)
Shares Under Option, Outstanding ending balance 145,360 46,860
Shares Under Option, Exercisable ending balance 39,160 35,460
Weighted- Average Exercise Price, Outstanding beginning balance $ 9.02 $ 25.04
Weighted- Average Exercise Price, Granted 4.00 6.72
Weighted- Average Exercise Price, Forfeited and expired 6.50 43.00
Weighted- Average Exercise Price, Outstanding ending balance 5.61 9.02
Weighted- Average Exercise Price, Exercisable ending balance $ 9.51 $ 9.82
Weighted Average Remaining Contractual Life Outstanding, beginning 9 years 8 years
Weighted Average Remaining Contractual Life Outstanding, ending 9 years 9 years
Weighted Average Remaining Contractual Life, Exercisable, ending 8 years 9 years
Aggregate Intrinsic Value, Outstanding, beginning balance $ 19,200 $ 79,200
Aggregate Intrinsic Value, Outstanding ending balance 19,200 19,200
Aggregate Intrinsic Value, Exercisable ending balance $ 19,200 $ 19,200