Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Stock Option Plans - Schedule of Stock Option Activity (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 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, Forfeited
Options Outstanding, Ending balance 202,246 202,246
Options Exercisable, Ending balance 193,513 192,108
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, Forfeited
Weighted Average Exercise Price, Outstanding, Ending balance 80.14 80.14
Weighted Average Exercise Price, Exercisable, Ending balance $ 81.32 $ 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 3 months 8 days 3 years 6 months 7 days
Weighted Average Remaining Contractual Term in Years, Exercisable, Ending 3 years 18 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