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INVENTORY (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Inventory Disclosure [Abstract] |  |
Inventory Valuation Reserves | $ 4,759,000 | $ 5,893,000
Provision for Other Losses | 0 | 405,000
Reversal of Inventory Reserves | $ 1,134,000 | $ 1,701,000

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