Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance (in shares) at Dec. 31, 2020		8,171,734
Balance at Dec. 31, 2020	$ 136,410	$ 107,948	$ 27,821	$ 641
Stock awards issued and related compensation expense, shares		3,369
Stock awards issued and related compensation expense	383	$ 383
Stock options exercised , shares		14,495
Stock options exercised	99	$ 99
Net income	2,809		2,809
Other comprehensive loss	(523)			(523)
Balance (in shares) at Mar. 31, 2021		8,189,598
Balance at Mar. 31, 2021	139,178	$ 108,430	30,630	118
Balance (in shares) at Dec. 31, 2021		8,264,300
Balance at Dec. 31, 2021	150,754	$ 109,473	41,189	92
Stock awards issued and related compensation expense, shares		11,513
Stock awards issued and related compensation expense	494	$ 494
Shares withheld to pay taxes on stock based compensation , shares		(7,459)
Shares withheld to pay taxes on stock based compensation	(173)	$ (173)
Stock options exercised , shares		4,200
Stock options exercised	55	$ 55
Shares withheld to pay exercise price on stock options, shares		(1,653)
Shares withheld to pay exercise price on stock options	(34)	$ (34)
Net income	3,673		3,673
Other comprehensive loss	(198)			(198)
Balance (in shares) at Mar. 31, 2022		8,270,901
Balance at Mar. 31, 2022	$ 154,571	$ 109,815	$ 44,862	$ (106)