Interim Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock Outstanding [Member]		Additional Paid-in Capital [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2017	22,064,007
Balance at Dec. 31, 2017	$ 22		$ 217,417	$ (26,056)	$ (586)	$ 53,873	$ 244,670
Net loss						(2,182)	(2,182)
Other comprehensive income					(602)		(602)
Equity-based compensation			2,771				$ 2,771
Purchase of treasury stock (in shares)	41,322						(41,322)
Purchase of treasury stock				(1,459)			$ (1,459)
Issuance of treasury stock upon exercise of stock-based awards (in shares)	197,923
Issuance of treasury stock upon exercise of stock-based awards		[1]	(2,265)	3,369		(42)	1,062
Balance (in shares) at Mar. 31, 2018	22,220,608
Balance at Mar. 31, 2018	$ 22		217,923	(24,146)	(1,188)	60,204	$ 252,815
Purchase of treasury stock (in shares)	(41,322)						41,322
Cumulative effect of adoption of new accounting standard						8,555	$ 8,555
Balance (in shares) at Dec. 31, 2018	21,787,860
Balance at Dec. 31, 2018	$ 22		223,250	(39,132)	(1,114)	62,853	245,879
Net loss						(2,297)	(2,297)
Other comprehensive income					687		687
Equity-based compensation			2,416				$ 2,416
Purchase of treasury stock (in shares)	(91,303)						(91,303)
Purchase of treasury stock				(2,536)			$ (2,536)
Issuance of treasury stock upon exercise of stock-based awards (in shares)	276,259
Issuance of treasury stock upon exercise of stock-based awards		[1]	(4,595)	5,982		(224)	1,163
Balance (in shares) at Mar. 31, 2019	21,972,816
Balance at Mar. 31, 2019	$ 22		$ 221,071	$ (35,686)	$ (427)	$ 60,332	$ 245,312
Purchase of treasury stock (in shares)	91,303						91,303

[1] Amount less than $1.