Condensed Consolidated Statements of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
REVENUES	$ 23,665	$ 20,892	$ 68,136	$ 61,383
COST OF REVENUES	13,515	12,637	39,570	36,735
GROSS PROFIT	10,150	8,255	28,566	24,648
OPERATING EXPENSES:
Research and development	2,757	2,451	8,141	7,581
Sales and marketing	3,230	3,116	9,394	9,070
General and administrative	3,146	2,847	10,081	9,031
Amortization of intangible assets	124	124	372	408
Restructuring expenses	0	17	0	233
Total operating expenses	9,257	8,555	27,988	26,323
OPERATING INCOME (LOSS)	893	(300)	578	(1,675)
Other income, net	32	35	74	49
INCOME (LOSS) BEFORE INCOME TAXES	925	(265)	652	(1,626)
(Benefit) expense for income taxes	206	(354)	(68)	6,603
NET INCOME (LOSS) FROM CONTINUING OPERATIONS	719	89	720	(8,229)
NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAX BENEFIT (EXPENSE)	236	86	(148)	(4,125)
NET INCOME (LOSS)	$ 955	$ 175	$ 572	$ (12,354)
Net Income (Loss) per Share From Continuing Operations:
Basic	$ 0.04	$ 0.01	$ 0.04	$ (0.51)
Diluted	0.04	0.01	0.04	(0.51)
Net Income (Loss) per Share From Discontinued Operations:
Basic	0.01	0.01	(0.01)	(0.26)
Diluted	0.01	0.01	(0.01)	(0.26)
Net Income (Loss) per Share:
Basic	0.06	0.01	0.03	(0.77)
Diluted	$ 0.06	$ 0.01	$ 0.03	$ (0.77)
Weighted Average Shares:
Basic	16,757	16,106	16,526	16,136
Diluted	17,065	16,245	16,830	16,136
Cash dividend per share	$ 0.055	$ 0.05	$ 0.155	$ 0.15