Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2020	10,562,200
Balance at Dec. 31, 2020	$ 106	$ 26,851	$ 17,110	$ 889	$ (204)	$ 44,752
Net earnings	0	0	7,283	0	0	7,283
Other comprehensive earnings (loss)	0	0	0	(295)	0	(295)
Amortization of deferred compensation related to stock-based awards	$ 0	1,450	0	0	0	1,450
Issuance of unvested shares of restricted stock (in shares)	131,209
Issuance of unvested shares of restricted stock	$ 1	(1)	0	0	0	0
Forfeiture of unvested shares of restricted stock (in shares)	(18,125)
Forfeiture of unvested shares of restricted stock	$ 0	0	0	0	0	$ 0
Stock options exercised (in shares)	231,185					231,185
Stock options exercised	$ 2	1,581	0			$ 1,583
Shares issued under Employee Stock Purchase Plan (in shares)	3,991
Shares issued under Employee Stock Purchase Plan	$ 0	50	0	0	0	50
Balance (in shares) at Dec. 31, 2021	10,910,460
Balance at Dec. 31, 2021	$ 109	29,931	24,393	594	(204)	54,823
Net earnings	0	0	8,461	0	0	8,461
Other comprehensive earnings (loss)	0	0	0	(376)	0	(376)
Amortization of deferred compensation related to stock-based awards	$ 0	1,787	0	0	0	1,787
Issuance of unvested shares of restricted stock (in shares)	123,533
Issuance of unvested shares of restricted stock	$ 1	(1)	0	0	0	0
Forfeiture of unvested shares of restricted stock (in shares)	(5,944)
Forfeiture of unvested shares of restricted stock	$ 0	0	0	0	0	$ 0
Stock options exercised (in shares)	8,060					8,060
Stock options exercised	$ 0	38	0	0	0	$ 38
Shares issued under Employee Stock Purchase Plan (in shares)	27,162
Shares issued under Employee Stock Purchase Plan	$ 1	232	0	0	0	233
Shares surrendered to satisfy tax liability at vesting of stock-based awards	$ 0	0	0	0	(10)	(10)
Balance (in shares) at Dec. 31, 2022	11,063,271
Balance at Dec. 31, 2022	$ 111	$ 31,987	$ 32,854	$ 218	$ (214)	$ 64,956