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, 2019		8,092,966
Balance at Dec. 31, 2019	$ 130,256	$ 106,427	$ 23,518	$ 311
Stock awards issued and related compensation expense, shares		71,001
Stock awards issued and related compensation expense	1,596	$ 1,596	0	0
Shares withheld to pay taxes on stock based compensation , shares		(17,369)
Shares withheld to pay taxes on stock based compensation	(322)	$ (322)	0	0
Stock options exercised , shares		25,136
Stock options exercised	247	$ 247	0	0
Net income	4,303		4,303	0
Other comprehensive (loss)	330	$ 0	0	330
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		68,355
Stock awards issued and related compensation expense	1,688	$ 1,688	0	0
Shares withheld to pay taxes on stock based compensation , shares		(14,426)
Shares withheld to pay taxes on stock based compensation	$ (406)	$ (406)
Stock options exercised , shares	57,020	57,020
Stock options exercised	$ 575	$ 575	0	0
Shares Withheld to pay exercise price on stock options shares, shares		(18,383)
Shares withheld to pay exercise price on stock options	(332)	$ (332)
Net income	13,368	0	13,368	0
Other comprehensive (loss)	(549)	$ 0	0	(549)
Balance (in shares) at Dec. 31, 2021		8,264,300
Balance at Dec. 31, 2021	$ 150,754	$ 109,473	$ 41,189	$ 92