Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - 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		25,215
Stock awards issued and related compensation expense	413	$ 413
Shares withheld to pay taxes on stock based compensation , shares		(7,550)
Shares withheld to pay taxes on stock based compensation	(133)	$ (133)
Stock options exercised , shares		11,217
Stock options exercised	83	$ 83
Net income	473		473
Other comprehensive income	101			101
Balance (in shares) at Mar. 31, 2020		8,121,848
Balance at Mar. 31, 2020	131,193	$ 106,790	23,991	412
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 income	(523)			(523)
Balance (in shares) at Mar. 31, 2021		8,189,598
Balance at Mar. 31, 2021	$ 139,178	$ 108,430	$ 30,630	$ 118