CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Total revenues	$ 23,664	$ 20,129
Operating costs and expenses:
Selling, general and administrative	15,219	13,597
Depreciation and amortization	319	313
Settlement accrual (Note 9)	0	1,142
Total operating costs and expenses	19,586	19,765
Operating income	4,078	364
Fair value adjustment of contingent consideration	157	(938)
Interest and other expense, net	(214)	(95)
Income (loss) before income tax expense (benefit)	4,021	(669)
Income tax expense (benefit)	270	(420)
Net income (loss)	$ 3,751	$ (249)
Weighted average common shares outstanding – basic	28,581,654	28,468,545
Weighted average common shares outstanding – diluted	28,894,927	28,468,545
Net income (loss) per share – basic	$ 0.13	$ (0.01)
Net income (loss) per share – diluted	$ 0.13	$ (0.01)
Comprehensive income (loss):
Net income (loss)	$ 3,751	$ (249)
Other comprehensive loss:
Foreign currency translation adjustment	(2)	(4)
Comprehensive income (loss)	3,749	(253)
Services Revenue [Member]
Revenues:
Total revenues	21,658	17,937
Operating costs and expenses:
Cost of services revenue and assets sales	2,904	3,007
Asset Sales [Member]
Revenues:
Total revenues	2,006	2,192
Operating costs and expenses:
Cost of services revenue and assets sales	$ 1,144	$ 1,706