Stock-Based Compensation (Details) - Schedule of Summary of all stock option plans / warrant activity - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Schedule of Summary of all stock option plans / warrant activity [Abstract]
Number of Shares, Options outstanding and exercisable, Beginning Balance	52,500	99,800
Weighted Average Exercise Price, Options outstanding and exercisable, Beginning Balance	$ 27.51	$ 34.55
Weighted Average Remaining Contractual Life (in years), Options outstanding and exercisable, Beginning Balance		1 year 149 days
Aggregate Intrinsic Value, Options outstanding and exercisable, Beginning Balance
Number of Shares, Options granted
Weighted Average Exercise Price, Options granted
Aggregate Intrinsic Value, Options granted
Number of Shares, Options exercised
Weighted Average Exercise Price, Options exercised
Aggregate Intrinsic Value, Options exercised
Number of Shares, Options cancelled or expired	(42,000)	(47,300)
Weighted Average Exercise Price, Options cancelled or expired	$ 26.99	$ 42.35
Options cancelled or expired
Options outstanding, balance at ending	10,500	52,500
Weighted Average Exercise Price, balance at ending	$ 29.61	$ 27.51
Weighted Average Remaining Contractual Life (in years), balance at ending	1 year 146 days	1 year 135 days
Aggregate Intrinsic Value, balance at ending