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INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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INCOME TAXES |  |
Net operating loss carry forwards | $ 14,014 | $ 13,642
Elimination of intercompany profit in inventory | 161 | 269
Elimination of intercompany profit in fixed assets | 244 | 349
Provisions for retirement indemnities | 634 | 577
Capital leases treated as operating leases for tax, asset | 56 |
Capital leases treated as operating leases for tax, liability |  | 29
Other items | 775 | 544
Total deferred tax assets | 15,883 | 15,410
Net deferred tax assets | 15,883 | 15,410
Valuation allowance for deferred tax assets | (15,508) | (14,977)
Deferred tax assets (liabilities), net of allowance | $ 374 | $ 432

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