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NOTE 4 - OTHER ACCRUED LIABILITIES (Details) (in thousands) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Accrued Liabilities [Abstract]    
Lease liability - short term $ 612 $ 673
Product warranty 367 371
Sales return reserve 61 61
Other taxes 110 109
Other 161 93
Other accrued liabilities $ 1,311 $ 1,307