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Note 12 - Condensed Consolidated Balance Sheet Detail - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Accrued expenses $ 472 $ 301
Accrued taxes 112 0
Accrued compensation 2,898 1,554
Warranty reserve liability 212 191
Deferred revenue, current 931 324
Loans payable, current 614 13
Other 130 986
Total accrued expenses and other current liabilities $ 5,369 $ 3,369