CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue:
Total revenue	$ 160,289	$ 169,474	$ 171,175
Operating expenses:
Cost of revenue	30,072	32,408	28,418
Research and development	27,543	24,464	18,702
Technology operations	31,428	31,356	31,502
Selling and marketing	23,170	24,553	22,823
General and administrative	45,787	49,097	47,400
Depreciation, amortization and accretion	9,249	10,769	11,624
Goodwill impairment	8,849	0	0
Total operating expenses	176,098	172,647	160,469
Operating (loss) income	(15,809)	(3,173)	10,706
Interest income	1,651	1,638	719
Other income (expense)	735	(650)	134
(Loss) income before income tax benefit (expense)	(13,423)	(2,185)	11,559
Benefit from (provision for) income taxes	2,658	706	(26,865)
Net loss	$ (10,765)	$ (1,479)	$ (15,306)
Basic and diluted net (loss) income per common share (usd per share)	$ (0.56)	$ (0.08)	$ (0.76)
Basic and diluted weighted average common shares outstanding (shares)	19,089,402	19,667,891	20,210,260
Cash dividends declared per common share (usd per share)	$ 0.5	$ 0.5	$ 0.5
Wireless
Revenue:
Total revenue	$ 88,167	$ 94,277	$ 101,188
Software
Revenue:
Total revenue	$ 72,122	$ 75,197	$ 69,987