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Note 5 - Balance Sheet Information - Other Current Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Compensation and payroll $ 2,924 $ 2,554
Professional fees 563 395
Warranty costs 193 252
Customer related costs 996 963
Interest 415 425
Other 1,299 1,502
Total $ 6,390 $ 6,091