Quarterly report pursuant to Section 13 or 15(d)

Stock Option Plans - Schedule of Stock Option Activity (Details)

v3.20.2
Stock Option Plans - Schedule of Stock Option Activity (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]    
Options Outstanding, Beginning balance 202,246 202,537
Options Exercisable, Beginning balance 192,108 185,837
Options, Canceled (291)
Options, Granted
Options, Exercised
Options, Expired 26,702
Options Outstanding, Ending balance 175,544 202,246
Options Exercisable, Ending balance 168,011 192,108
Weighted Average Exercise Price, Outstanding, Beginning balance $ 80.14 $ 80.13
Weighted Average Exercise Price, Exercisable, Beginning balance 81.32 82.13
Weighted Average Exercise Price, Canceled
Weighted Average Exercise Price, Granted
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Expired
Weighted Average Exercise Price, Outstanding, Ending balance 85.07 80.14
Weighted Average Exercise Price, Exercisable, Ending balance $ 86.33 $ 81.32
Weighted Average Remaining Contractual Term in Years, Outstanding Beginning 3 years 6 months 7 days 4 years 6 months 7 days
Weighted Average Remaining Contractual Term in Years, Exercisable, Beginning 3 years 3 months 4 days 4 years 1 month 6 days
Weighted Average Remaining Contractual Term in Years, Outstanding Ending 3 years 5 months 23 days 3 years 6 months 7 days
Weighted Average Remaining Contractual Term in Years, Exercisable, Ending 3 years 3 months 11 days 3 years 3 months 4 days
Aggregate Intrinsic Value, Outstanding Beginning balance $ 987,064
Aggregate Intrinsic Value, Exercisable Beginning balance 967,064
Aggregate Intrinsic Value, Outstanding Ending balance
Aggregate Intrinsic Value, Exercisable Ending balance