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	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, 2021	10,910,460
Balance at Dec. 31, 2021	$ 109	29,931	24,393	594	(204)	54,823
Net earnings						5,217
Balance (in shares) at Sep. 30, 2022	11,057,858
Balance at Sep. 30, 2022	$ 111	31,516	29,610	(602)	(214)	60,421
Balance (in shares) at Mar. 31, 2022	10,995,194
Balance at Mar. 31, 2022	$ 110	30,358	24,970	767	(204)	56,001
Net earnings	0	0	2,116	0	0	2,116
Other comprehensive earnings	0	0	0	(603)	0	(603)
Amortization of deferred compensation related to stock-based awards	$ 0	551	0	0	0	551
Issuance of unvested shares of restricted stock (in shares)	44,044
Issuance of unvested shares of restricted stock	$ 0	0	0	0	0	0
Shares issued under Employee Stock Purchase Plan (in shares)	9,470
Shares issued under Employee Stock Purchase Plan	$ 0	65	0	0	0	65
Shares surrendered by employees to satisfy tax liability at vesting of stock-based awards	$ 0	0	0	0	(10)	(10)
Balance (in shares) at Jun. 30, 2022	11,048,708
Balance at Jun. 30, 2022	$ 110	30,974	27,086	164	(214)	58,120
Net earnings	0	0	2,524	0	0	2,524
Other comprehensive earnings	0	0	0	(766)	0	(766)
Amortization of deferred compensation related to stock-based awards	$ 0	450	0	0	0	450
Forfeitures of unvested shares of restricted stock (in shares)	(5,944)
Forfeitures of unvested shares of restricted stock	$ 0	0	0	0	0	0
Stock options exercised (in shares)	8,060
Stock options exercised	$ 0	38	0	0		38
Shares issued under Employee Stock Purchase Plan (in shares)	7,034
Shares issued under Employee Stock Purchase Plan	$ 1	54	0	0	0	55
Balance (in shares) at Sep. 30, 2022	11,057,858
Balance at Sep. 30, 2022	$ 111	31,516	29,610	(602)	(214)	60,421
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
Forfeitures of unvested shares of restricted stock (in shares)	(13,271)
Forfeitures of unvested shares of restricted stock	$ 0	0	0	0	0	0
Stock options exercised (in shares)	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 by employees 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
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						$ 7,887
Stock options exercised (in shares)						124,550
Balance (in shares) at Sep. 30, 2023	12,237,070
Balance at Sep. 30, 2023	$ 122	53,960	40,741	2	(901)	$ 93,924
Balance (in shares) at Mar. 31, 2023	11,168,080
Balance at Mar. 31, 2023	$ 112	32,673	35,671	289	(247)	68,498
Net earnings	0	0	2,793	0	0	2,793
Other comprehensive earnings	0	0	0	181	0	181
Amortization of deferred compensation related to stock-based awards	$ 0	605	0	0	0	605
Issuance of unvested shares of restricted stock (in shares)	6,873
Issuance of unvested shares of restricted stock	$ 0	0	0	0	0	0
Stock options exercised (in shares)	86,600
Stock options exercised	$ 1	734	0	0	0	735
Shares issued under Employee Stock Purchase Plan (in shares)	1,870
Shares issued under Employee Stock Purchase Plan	$ 0	49	0	0	0	49
Shares surrendered by employees to satisfy tax liability at vesting of stock-based awards	$ 0	0	0	0	(41)	(41)
Shares issued pursuant to At-the-Market Offering (in shares)	921,797
Shares issued pursuant to At-the-Market Offering	$ 9	19,235	0	0	0	19,244
Balance (in shares) at Jun. 30, 2023	12,185,220
Balance at Jun. 30, 2023	$ 122	53,296	38,464	470	(288)	92,064
Net earnings	0	0	2,277	0	0	2,277
Other comprehensive earnings	0	0	0	(468)	0	(468)
Amortization of deferred compensation related to stock-based awards	$ 0	544	0	0	0	544
Forfeitures of unvested shares of restricted stock (in shares)	(4,220)
Forfeitures of unvested shares of restricted stock	$ 0	0	0	0	0	0
Stock options exercised (in shares)	12,750
Stock options exercised	$ 0	78	0	0	0	78
Shares issued under Employee Stock Purchase Plan (in shares)	2,763
Shares issued under Employee Stock Purchase Plan	$ 0	42	0	0	0	42
Shares surrendered by employees to satisfy tax liability at vesting of stock-based awards	$ 0	0	0	0	(613)	(613)
Issuance of additional shares of restricted stock related to performance-based awards which vested in the period (in shares)	40,557
Balance (in shares) at Sep. 30, 2023	12,237,070
Balance at Sep. 30, 2023	$ 122	$ 53,960	$ 40,741	$ 2	$ (901)	$ 93,924