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Stock-Based Compensation (Details) - Schedule of Summary of all stock option plans / warrant activity - USD ($) shares in Thousands | 12 Months Ended
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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 |  |

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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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