CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Total revenues	$ 5,176	$ 6,117	$ 12,277	$ 10,361
Operating costs and expenses:
Selling, general and administrative	3,671	3,666	7,640	7,138
Depreciation and amortization	98	90	189	180
Total operating costs and expenses	5,104	5,274	11,159	9,425
Earnings of equity method investments	1	181	1	182
Operating income	73	1,024	1,119	1,118
Interest and other expense, net	9	(8)	12	(35)
Income before income tax benefit	82	1,016	1,131	1,083
Income tax benefit	(505)	(1,023)	(488)	(994)
Net income	$ 587	$ 2,039	$ 1,619	$ 2,077
Weighted average common shares outstanding – basic	35,250,964	28,751,689	35,020,768	28,760,893
Weighted average common shares outstanding – diluted	36,972,415	30,961,261	36,611,234	30,630,713
Net income per share – basic	$ 0.02	$ 0.07	$ 0.05	$ 0.07
Net income per share – diluted	$ 0.02	$ 0.07	$ 0.04	$ 0.07
Services Revenue [Member]
Revenues:
Total revenues	$ 4,168	$ 5,565	$ 9,198	$ 9,653
Operating costs and expenses:
Cost of services revenue and assets sales	960	1,188	2,135	1,739
Asset Sales [Member]
Revenues:
Total revenues	1,008	552	3,079	708
Operating costs and expenses:
Cost of services revenue and assets sales	$ 375	$ 330	$ 1,195	$ 368