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, 2018	21,787,860
Balance at Dec. 31, 2018	$ 22	$ 223,250	$ (39,132)	$ (1,114)	$ 62,853	$ 245,879
Net loss	0	0	0	0	(3,809)	(3,809)
Other comprehensive income	0	0	0	1,178	0	1,178
Equity-based compensation	$ 0	5,095	0	0	0	$ 5,095
Purchase of treasury stock (in shares)	(194,316)					(194,316)
Purchase of treasury stock	$ 0	0	(4,861)	0	0	$ (4,861)
Issuance of treasury stock upon exercise of stock-based awards (in shares)	299,584
Issuance of treasury stock upon exercise of stock-based awards		(5,039)	6,495	0	(293)	1,163
Balance (in shares) at Jun. 30, 2019	21,893,128
Balance at Jun. 30, 2019	$ 22	223,306	(37,498)	64	58,751	244,645
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
Net loss	0	0	0	0	(1,512)	(1,512)
Other comprehensive income	0	0	0	491	0	491
Equity-based compensation	$ 0	2,679	0	0	0	$ 2,679
Purchase of treasury stock (in shares)	(103,013)					(103,013)
Purchase of treasury stock	$ 0	0	(2,325)	0	0	$ (2,325)
Issuance of treasury stock upon exercise of stock-based awards (in shares)	23,325
Issuance of treasury stock upon exercise of stock-based awards		(444)	513	0	(69)	0
Balance (in shares) at Jun. 30, 2019	21,893,128
Balance at Jun. 30, 2019	$ 22	223,306	(37,498)	64	58,751	244,645
Balance (in shares) at Dec. 31, 2019	21,839,369
Balance at Dec. 31, 2019	$ 22	228,005	(39,390)	94	62,426	251,157
Net loss	0	0	0	0	(2,275)	(2,275)
Other comprehensive income	0	0	0	339	0	339
Equity-based compensation	$ 0	6,524	0	0	0	$ 6,524
Purchase of treasury stock (in shares)	(202,392)					(202,392)
Purchase of treasury stock	$ 0	0	(4,780)	0	0	$ (4,780)
Issuance of treasury stock upon exercise of stock-based awards (in shares)	399,735
Issuance of treasury stock upon exercise of stock-based awards		(6,035)	8,973	0	(1,522)	1,416
Balance (in shares) at Jun. 30, 2020	22,036,712
Balance at Jun. 30, 2020	$ 22	228,494	(35,197)	433	58,629	252,381
Balance (in shares) at Mar. 31, 2020	21,999,660
Balance at Mar. 31, 2020	$ 22	225,583	(36,033)	(349)	60,049	249,272
Net loss	0	0	0	0	(1,090)	(1,090)
Other comprehensive income	0	0	0	782	0	782
Equity-based compensation	$ 0	3,417	0	0	0	$ 3,417
Purchase of treasury stock (in shares)						0
Issuance of treasury stock upon exercise of stock-based awards (in shares)	37,052
Issuance of treasury stock upon exercise of stock-based awards		(506)	836	0	(330)	$ 0
Balance (in shares) at Jun. 30, 2020	22,036,712
Balance at Jun. 30, 2020	$ 22	$ 228,494	$ (35,197)	$ 433	$ 58,629	$ 252,381