Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts (Details)

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Schedule II - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 650 $ 276 $ 416
Additions 0 612 0
Deductions (Charge-offs) (313) (238) (140)
Balance at End of Year 337 650 276
Valuation allowance for deferred tax assets      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 58,309 53,251 46,517
Additions 2,831 5,058 6,734
Deductions (Charge-offs) 0 0
Balance at End of Year 61,140 58,309 53,251
Valuation for inventory reserves      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 1,935 2,576 1,553
Additions 1,939 1,769 3,314
Deductions (Charge-offs) (2,533) (2,410) (2,291)
Balance at End of Year $ 1,342 $ 1,935 $ 2,576