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Note M - Accrued Liabilities - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accrued payroll $ 6,516 $ 10,517
Accrued employee benefits 3,471 3,057
Accrued state and local taxes 1,897 251
Accrued interest 1,475 1,256
Advance payments 195 303
Accrued product warranty 263 703
Accrued commission expenses 1,003 974
Accrued professional fees 346 377
Accrued shipping and tariff expenses 33 526
Accrued other 388 547
Total accrued liabilities $ 15,587 $ 18,511