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INCOME TAXES (Summary of Operating Loss Carryforwards) (Details) - Internal Revenue Service (IRS) [Member] - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Operating Loss Carryforwards | $ 66,212 | $ 59,011
Tax Year 2036 [Member] |  |
Operating Loss Carryforwards | 13,470 | 13,470
Tax Year 2037 [Member] |  |
Operating Loss Carryforwards | 13,641 | 3,441
Unlimited life |  |
Operating Loss Carryforwards | $ 39,101 | $ 42,100

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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