CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid in Capital [Member]	Retained Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning Balance at Dec. 31, 2017	$ 221	$ 147,671	$ (23,932)	$ 43	$ 124,003
Beginning Balance, shares at Dec. 31, 2017	22,073
Issuance of common stock		166			166
Issuance of common stock, shares	18
Exercise and issuance of employee stock options		926			926
Exercise and issuance of employee stock options, shares	41
Net income			13,688		13,688
Dividends paid on common stock					0
Other comprehensive income (loss)				(1,322)	(1,322)
Ending Balance at Dec. 31, 2018	$ 221	148,763	(10,244)	(1,279)	137,461
Ending Balance, shares at Dec. 31, 2018	22,132
Issuance of common stock		215			215
Issuance of common stock, shares	27
Exercise and issuance of employee stock options	$ 3	1,750			1,753
Exercise and issuance of employee stock options, shares	264
Net income			15,705		15,705
Dividends paid on common stock			(2,899)		(2,899)
Other comprehensive income (loss)				3,244	3,244
Ending Balance at Dec. 31, 2019	$ 224	$ 150,728	$ 2,562	$ 1,965	$ 155,479
Ending Balance, shares at Dec. 31, 2019	22,423