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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Pension Plan [Member]
Common Stock [Member]
Pension Plan [Member]
Additional Paid-in Capital [Member]
Pension Plan [Member]
Retained Earnings [Member]
Pension Plan [Member]
AOCI Attributable to Parent [Member]
Pension Plan [Member]
Foreign Exchange Forward [Member]
Common Stock [Member]
Foreign Exchange Forward [Member]
Additional Paid-in Capital [Member]
Foreign Exchange Forward [Member]
Retained Earnings [Member]
Foreign Exchange Forward [Member]
AOCI Attributable to Parent [Member]
Foreign Exchange Forward [Member]
Interest Rate Swap [Member]
Common Stock [Member]
Interest Rate Swap [Member]
Additional Paid-in Capital [Member]
Interest Rate Swap [Member]
Retained Earnings [Member]
Interest Rate Swap [Member]
AOCI Attributable to Parent [Member]
Interest Rate Swap [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Balances (in shares) at Dec. 31, 2021                               9,870,567        
Balance at Dec. 31, 2021                               $ 99 $ 125,062 $ 159,904 $ (1,682) $ 283,383
Net income                               $ 0 0 3,559 0 3,559
Pension liability adjustment $ 0 $ 0 $ 0 $ 22 $ 22                              
Unrealized gain (loss) on cash flow hedges           $ 0 $ 0 $ 0 $ (307) $ (307)         $ 0          
Issuance of common stock under stock compensation plans, net of tax withholdings (in shares)                               45,413        
Issuance of common stock under stock compensation plans, net of tax withholdings                               $ 0 294 0 0 294
Share-based compensation expense                               0 635 0 0 635
Issuance of common stock under stock compensation plans, net of tax withholdings                               $ 0 (294) 0 0 (294)
Balances (in shares) at Mar. 31, 2022                               9,915,980        
Balance at Mar. 31, 2022                               $ 99 125,403 163,463 (1,967) 286,998
Balances (in shares) at Dec. 31, 2022                               9,927,360        
Balance at Dec. 31, 2022                               $ 99 127,911 191,053 (789) 318,274
Net income                               $ 0 0 2,362 0 2,362
Pension liability adjustment $ 0 $ 0 $ 0 $ 29 $ 29                              
Unrealized gain (loss) on cash flow hedges           $ 0 $ 0 $ 0 $ 22 $ 22 $ 0 $ 0 $ 0 $ (178) $ (178)          
Issuance of common stock under stock compensation plans, net of tax withholdings (in shares)                               70,932        
Issuance of common stock under stock compensation plans, net of tax withholdings                               $ 1 (423) 0 0 (422)
Share-based compensation expense                               0 990 0 0 990
Issuance of common stock under stock compensation plans, net of tax withholdings                               $ (1) 423 (0) (0) 422
Balances (in shares) at Mar. 31, 2023                               9,998,292        
Balance at Mar. 31, 2023                               $ 100 $ 128,478 $ 193,415 $ (916) $ 321,077