CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Total revenues	$ 7,424	$ 6,816	$ 13,975	$ 12,630
Operating costs and expenses:
Selling, general and administrative	3,698	4,084	7,623	7,581
Depreciation and amortization	76	76	152	160
Total operating costs and expenses	7,123	5,186	13,015	9,595
Earnings of equity method investments	1,269		1,269	0
Operating income	1,570	1,630	2,229	3,035
Fair value adjustment of contingent consideration		157	0	157
Interest and other expense, net	(22)	(38)	(45)	(154)
Income before income tax expense	1,548	1,749	2,184	3,038
Income tax expense	54	64	78	64
Net income	$ 1,494	$ 1,685	$ 2,106	$ 2,974
Weighted average common shares outstanding – basic	28,653,278	28,653,278	28,653,278	28,508,844
Weighted average common shares outstanding – diluted	28,842,509	29,067,365	29,017,377	28,916,149
Net income per share – basic	$ 0.05	$ 0.06	$ 0.07	$ 0.10
Net income per share – diluted	$ 0.05	$ 0.06	$ 0.07	$ 0.10
Comprehensive income:
Net income	$ 1,494	$ 1,685	$ 2,106	$ 2,974
Other comprehensive income:
Foreign currency translation adjustment		4		4
Comprehensive income	1,494	1,689	2,106	2,978
Services Revenue [Member]
Revenues:
Total revenues	5,335	6,471	9,743	11,510
Operating costs and expenses:
Cost of services revenue and assets sales	1,483	732	2,214	1,291
Asset Sales [Member]
Revenues:
Total revenues	2,089	345	4,232	1,120
Operating costs and expenses:
Cost of services revenue and assets sales	$ 1,866	$ 294	$ 3,026	$ 563