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INCOME TAXES (Schedule of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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INCOME TAXES [Abstract] |  |
Net operating loss and credit carryforwards | $ 17,604 | $ 15,941
Allowance for doubtful accounts | 403 | 986
Stock-based compensation | 915 | 461
Other | 127 | 39
Gross deferred tax assets | 19,049 | 17,427
Property and equipment | (257) | (94)
Intangible assets | (3,589) | (3,849)
Other | (18) |
Gross deferred tax liabilities | (3,864) | (3,943)
Net deferred tax assets | 15,185 | 13,484
Less valuation allowance | (15,185) | (13,484)
Net deferred liability | $ 0 | $ 0

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