CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Total revenues	$ 5,991	$ 7,566	$ 18,268	$ 17,927
Operating costs and expenses:
Selling, general and administrative	3,494	3,378	11,134	10,516
Depreciation and amortization	105	92	294	272
Total operating costs and expenses	5,374	6,065	16,533	15,490
Earnings of equity method investments	(84)	111	(83)	293
Operating income	533	1,612	1,652	2,730
Interest and other expense, net	(6)	(3)	6	(38)
Income before income tax expense (benefit)	527	1,609	1,658	2,692
Income tax expense (benefit)	53	345	(435)	(649)
Net income	$ 474	$ 1,264	$ 2,093	$ 3,341
Weighted average common shares outstanding – basic	35,805,227	28,751,689	35,285,128	28,817,344
Weighted average common shares outstanding – diluted	37,090,294	31,890,115	36,567,713	31,288,151
Net income per share – basic	$ 0.01	$ 0.04	$ 0.06	$ 0.12
Net income per share – diluted	$ 0.01	$ 0.04	$ 0.06	$ 0.11
Services Revenue [Member]
Revenues:
Total revenues	$ 4,822	$ 6,060	$ 14,020	$ 15,713
Operating costs and expenses:
Cost of services revenue and assets sales	1,100	1,605	3,235	3,344
Asset Sales [Member]
Revenues:
Total revenues	1,169	1,506	4,248	2,214
Operating costs and expenses:
Cost of services revenue and assets sales	$ 675	$ 990	$ 1,870	$ 1,358