Condensed Consolidated Statements of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
REVENUES	$ 21,731	$ 22,970
COST OF REVENUES	13,867	13,516
GROSS PROFIT	7,864	9,454
OPERATING EXPENSES:
Research and development	2,940	2,716
Sales and marketing	3,028	3,253
General and administrative	2,993	3,339
Amortization of intangible assets	124	124
Total operating expenses	9,085	9,432
OPERATING (LOSS) INCOME	(1,221)	22
Other income, net	51	28
(LOSS) INCOME BEFORE INCOME TAXES	(1,170)	50
Benefit for income taxes	(312)	(134)
NET (LOSS) INCOME FROM CONTINUING OPERATIONS	(858)	184
NET LOSS FROM DISCONTINUED OPERATIONS, NET OF TAX BENEFIT	0	(214)
NET LOSS	$ (858)	$ (30)
Net (Loss) Income per Share from Continuing Operations:
Basic	$ (0.05)	$ 0.01
Diluted	(0.05)	0.01
Net Loss per Share from Discontinued Operations:
Basic	0.00	(0.01)
Diluted	0.00	(0.01)
Net Loss per Share:
Basic	(0.05)	0.00
Diluted	$ (0.05)	$ 0.00
Weighted Average Shares:
Basic	17,056	16,340
Diluted	17,056	16,340
Cash dividend per share	$ 0.055	$ 0.05