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, 2018		7,993,908
Balance at Dec. 31, 2018	$ 121,079	$ 104,561	$ 16,517	$ 1
Stock awards issued and related compensation expense, shares		12,638
Stock awards issued and related compensation expense	172	$ 172
Stock options exercised , shares		40,008
Stock options exercised	372	$ 372
Net income	1,868		1,868
Other comprehensive income	166			166
Balance (in shares) at Mar. 31, 2019		8,046,554
Balance at Mar. 31, 2019	123,657	$ 105,105	18,385	167
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