Consolidated Statements Of Changes In Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Non-Voting Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2020	$ 54	$ 13	$ 87,637	$ 26,479	$ 96	$ (4,069)	$ 110,210
Net income				6,421			6,421
Other comprehensive income (loss)					(29)		(29)
Issuance of stock based incentive plan shares, net of forfeitures
Restricted stock expense, net of forfeitures			161				161
Stock options exercised			106				106
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes						(22)	(22)
Dividends declared				(196)			(196)
Balance at Mar. 31, 2021	54	13	87,904	32,704	67	(4,091)	116,651
Balance at Dec. 31, 2021	55	13	88,528	44,084	(170)	(7,180)	125,330
Net income				4,518			4,518
Other comprehensive income (loss)					(1,050)		(1,050)
Issuance of stock based incentive plan shares, net of forfeitures
Restricted stock expense, net of forfeitures			180				180
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes						(48)	(48)
Purchase of treasury shares						(331)	(331)
Dividends declared				(257)			(257)
Balance at Mar. 31, 2022	$ 55	$ 13	$ 88,708	$ 48,345	$ (1,220)	$ (7,559)	$ 128,342