Results for Discontinued Operations to the Net income (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Revenues [Abstract]
Service sales		$ 0	$ 3,937
Costs, expenses and other expense, net:
Costs of service sales		0	1,324
Sales, marketing and support		0	1,169
General and administrative		0	1,125
Other expense, net		0	(9)
Income from discontinued operations before tax expense		0	310
Gain on sale of discontinued operations before tax expense		0	0
Total income from discontinued operations before tax expense		0	310
Income tax expense on discontinued operations		0	67
Income from discontinued operations, net of taxes		$ 0	$ 243
Net income from discontinued operations per common share
Basic and diluted (in USD per share)	[1]	$ 0	$ 0.01
Weighted average number of common shares outstanding:
Basic and diluted (in shares)		17,529	17,302

[1] Earnings per share components for 2019 do not sum due to rounding.