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Note 5 - Balance Sheet Information - Other Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Compensation $ 3,476 $ 6,048
Professional fees 392 480
Warranty costs 268 240
Customer advances 2,368 2,265
Accrued income taxes 0 224
Other 982 1,505
Total $ 7,486 $ 10,762