CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Total revenues	$ 6,551	$ 5,814
Operating costs and expenses:
Selling, general and administrative	3,925	3,497
Depreciation and amortization	76	84
Total operating costs and expenses	5,892	4,409
Operating income	659	1,405
Interest and other expense, net	(23)	(116)
Income before income tax expense	636	1,289
Income tax expense	24
Net income	$ 612	$ 1,289
Weighted average common shares outstanding – basic	28,653,278	28,480,148
Weighted average common shares outstanding – diluted	28,814,149	28,489,128
Net income per share – basic	$ 0.02	$ 0.05
Net income per share – diluted	$ 0.02	$ 0.05
Comprehensive income:
Net income	$ 612	$ 1,289
Other comprehensive income:
Comprehensive income	612	1,289
Services Revenue [Member]
Revenues:
Total revenues	4,408	5,039
Operating costs and expenses:
Cost of services revenue and assets sales	731	559
Asset Sales [Member]
Revenues:
Total revenues	2,143	775
Operating costs and expenses:
Cost of services revenue and assets sales	$ 1,160	$ 269