Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	IPO	Common Stock	Common Stock IPO	Additional Paid-in Capital	Additional Paid-in Capital IPO	Treasury Stock	Accumulated Other Comprehensive Income	Stock Subscription Notes Receivable	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021			13,690,868
Beginning balance at Dec. 31, 2021	$ 78,413		$ 137		$ 120,842		$ (17,488)	$ 0	$ (277)	$ (24,801)
Beginning balance (in shares) at Dec. 31, 2021							2,201,289
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of new common shares (in shares)			9,833	1,057,500
Issuance of new common shares	174	$ 15,475		$ 11	174	$ 15,464
Purchase of treasury stock (in shares)							(46,065)
Purchase of treasury stock	(988)						$ (988)
Issuance of common shares under stock compensation plan (in shares)			30,957
Issuance of new common shares under employee stock purchase plan (in shares)			20,205
Issuance of new common shares under employee stock purchase plan	282				282
Stock based compensation	3,226				3,226
Collections on stock subscription notes receivable	24								24
Conversion of redeemable common stock to permanent equity	8				8
Other comprehensive income, net of tax	0
Net income	1,457									1,457
Ending balance (in shares) at Mar. 31, 2022			14,809,363
Ending balance at Mar. 31, 2022	$ 98,071		$ 148		139,996		$ (18,476)	0	(253)	(23,344)
Ending balance (in shares) at Mar. 31, 2022							2,247,354
Beginning balance (in shares) at Dec. 31, 2022	13,556,550		15,949,805
Beginning balance at Dec. 31, 2022	$ 122,859		$ 159		162,922		$ (20,831)	578	(173)	(19,796)
Beginning balance (in shares) at Dec. 31, 2022	2,393,255						2,393,255
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of new common shares	$ 7				7
Purchase of treasury stock (in shares)							(32,500)
Purchase of treasury stock	(667)						$ (667)
Issuance of common shares under stock compensation plan (in shares)			53,757
Issuance of new common shares under stock compensation plan	$ 0		$ 1		(1)
Issuance of new common shares under employee stock purchase plan (in shares)	16,039		16,039
Issuance of new common shares under employee stock purchase plan	$ 383				383
Stock based compensation	4,129				4,129
Collections on stock subscription notes receivable	22								22
Other comprehensive income, net of tax	(10)							(10)
Net income	$ 537									537
Ending balance (in shares) at Mar. 31, 2023	13,593,846		16,019,601
Ending balance at Mar. 31, 2023	$ 127,260		$ 160		$ 167,440		$ (21,498)	$ 568	$ (151)	$ (19,259)
Ending balance (in shares) at Mar. 31, 2023	2,425,755						2,425,755