Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
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	577	0	0	577
Other comprehensive earnings	0	0	0	173	0	173
Amortization of deferred compensation related to stock-based awards	$ 0	372	0	0	0	372
Issuance of unvested shares of restricted stock (in shares)	79,489
Issuance of unvested shares of restricted stock	$ 1	(1)	0	0		0
Shares issued under Employee Stock Purchase Plan (in shares)	5,245
Shares issued under Employee Stock Purchase Plan	$ 0	56	0	0	0	56
Balance (in shares) at Mar. 31, 2022	10,995,194
Balance at Mar. 31, 2022	$ 110	30,358	24,970	767	(204)	56,001
Balance (in shares) at Dec. 31, 2022	11,063,271
Balance at Dec. 31, 2022	$ 111	31,987	32,854	218	(214)	64,956
Net earnings	0	0	2,817	0	0	2,817
Other comprehensive earnings	0	0	0	71	0	71
Amortization of deferred compensation related to stock-based awards	$ 0	474	0	0	0	474
Issuance of unvested shares of restricted stock (in shares)	90,588
Issuance of unvested shares of restricted stock	$ 1	(1)	0	0	0	0
Forfeiture of unvested shares of restricted stock (in shares)	(13,271)
Forfeiture of unvested shares of restricted stock	$ 0	0	0	0	0	$ 0
Stock options exercised (in shares)	25,200					25,200
Stock options exercised	$ 0	165	0	0	0	$ 165
Shares issued under Employee Stock Purchase Plan (in shares)	2,292
Shares issued under Employee Stock Purchase Plan	$ 0	48	0	0	0	48
Shares surrendered to satisfy tax liability at vesting of stock-based awards	$ 0	0	0	0	(33)	(33)
Balance (in shares) at Mar. 31, 2023	11,168,080
Balance at Mar. 31, 2023	$ 112	$ 32,673	$ 35,671	$ 289	$ (247)	$ 68,498