Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Total revenues	$ 23,127	$ 22,500	$ 45,093	$ 40,345
Cost of revenues	15,492	14,276	30,881	26,437
Gross profit	7,635	8,224	14,212	13,908
Operating expenses:
Selling, general and administrative	9,245	8,712	18,446	17,268
Depreciation and amortization	553	564	1,082	1,115
Research and development	783	614	1,403	1,224
Provision (credit) for bad debt	(40)	(23)	(34)	(51)
Impairment of goodwill and intangible assets	1,263	3	1,263	3
Other operating expenses		4		9
Total operating expenses	11,804	9,874	22,160	19,568
Loss from operations	(4,169)	(1,650)	(7,948)	(5,660)
Other income (expense)	(308)	46	22	92
Interest expense	(124)	(121)	(238)	(237)
Loss before taxes	(4,601)	(1,725)	(8,164)	(5,805)
Income tax expense (benefit)	164	(157)	(137)	(383)
Net loss	$ (4,765)	$ (1,568)	$ (8,027)	$ (5,422)
Basic and diluted weighted average common shares outstanding (in shares)	28,506,154	20,967,957	28,497,146	20,958,656
Basic and diluted loss per common share (in dollars per share)	$ (0.17)	$ (0.07)	$ (0.28)	$ (0.26)