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OTHER ACCRUED LIABILITIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
OTHER ACCRUED LIABILITIES    
Lease liability - short term $ 556 $ 673
Product warranty 416 371
Sales return reserve 71 61
Other taxes 153 109
Other 85 93
Other accrued liabilities $ 1,281 $ 1,307