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PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Summary of property and equipment [Abstract] |  |
Property and equipment, gross | $ 55,256 | $ 55,708
Less accumulated depreciation and amortization | (52,374) | (51,214)
Property and equipment, net | 2,882 | 4,494
Construction in progress | 1,357 | 864
Total | 4,239 | 5,358
Office furniture and equipment |  |
Summary of property and equipment [Abstract] |  |
Property and equipment, gross | 2,648 | 2,739
Computer hardware |  |
Summary of property and equipment [Abstract] |  |
Property and equipment, gross | 3,755 | 3,856
Computer software |  |
Summary of property and equipment [Abstract] |  |
Property and equipment, gross | 44,303 | 44,264
Automobiles |  |
Summary of property and equipment [Abstract] |  |
Property and equipment, gross | 81 | 81
Leasehold improvements |  |
Summary of property and equipment [Abstract] |  |
Property and equipment, gross | 4,292 | 4,508
Assets Held under Capital Leases [Member] |  |
Summary of property and equipment [Abstract] |  |
Property and equipment, gross | $ 177 | $ 260

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- Definition Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets excluding in construction in progress used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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