CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Services revenue	$ 4,231	$ 3,824	$ 12,637	$ 11,718
Asset sales	506	4,758	1,915	6,245
Total revenues	4,737	8,582	14,552	17,963
Operating costs and expenses:
Cost of services revenue	522	1,882	2,291	3,751
Cost of asset sales	282	4,243	1,541	5,479
Selling, general and administrative	3,539	2,783	9,751	8,937
Depreciation and amortization	78	76	233	240
Total operating costs and expenses	4,421	8,984	13,816	18,407
Operating income (loss)	316	(402)	736	(444)
Fair value adjustment of contingent consideration	(246)	43	(536)	900
Interest and other income (expense), net	3	(1)	(44)	(114)
Income (loss) before income tax expense	73	(360)	156	342
Income tax (benefit) expense	(10)	11	18	29
Net income (loss)	$ 83	$ (371)	$ 138	$ 313
Weighted average common shares outstanding – basic	28,480,148	28,432,648	28,464,635	28,390,221
Weighted average common shares outstanding – diluted	28,481,296	28,432,648	28,474,997	28,399,759
Net income (loss) per share – basic	$ 0.00	$ (0.01)	$ 0.00	$ 0.01
Net income (loss) per share – diluted	$ 0.00	$ (0.01)	$ 0.00	$ 0.01
Comprehensive income (loss):
Net income (loss)	$ 83	$ (371)	$ 138	$ 313
Other comprehensive income (loss):
Foreign currency translation adjustment	(1)	(8)	(4)	(13)
Comprehensive income (loss)	$ 82	$ (379)	$ 134	$ 300