CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue:
Total revenue	$ 169,474	$ 171,175	$ 179,561
Operating expenses:
Cost of revenue	32,408	28,418	30,649
Research and development	24,464	18,702	13,467
Technology operations	31,356	31,502	32,734
Selling and marketing	24,553	22,823	24,768
General and administrative	49,097	47,400	42,827
Depreciation, amortization and accretion	10,769	11,624	12,963
Total operating expenses	172,647	160,469	157,408
Operating (loss) income	(3,173)	10,706	22,153
Interest income	1,638	719	275
Other (expense) income	(650)	134	543
(Loss) income before income tax benefit (expense)	(2,185)	11,559	22,971
Income tax benefit (expense)	706	(26,865)	(8,992)
Net (loss) income	$ (1,479)	$ (15,306)	$ 13,979
Basic and diluted net (loss) income per common share (usd per share)	$ (0.08)	$ (0.76)	$ 0.68
Basic and diluted weighted average common shares outstanding (shares)	19,667,891	20,210,260	20,586,066
Cash dividends declared per common share (usd per share)	$ 0.5	$ 0.5	$ 0.75
Wireless Operations
Revenue:
Total revenue	$ 94,277	$ 101,188	$ 109,590
Software Operations
Revenue:
Total revenue	75,197	$ 69,987	$ 69,971
Operating expenses:
Selling and marketing	$ 24,553