CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Lead generation	$ 61,114	$ 90,728	$ 96,936
Digital advertising	15,441	23,173	28,169
Other revenues	15	80	484
Total revenues	76,570	113,981	125,589
Cost of revenues	52,890	91,412	101,315
Cost of revenues - impairment	0	0	9,014
Gross profit	23,680	22,569	15,260
Operating expenses:
Sales and marketing	8,201	10,512	12,178
Technology support	6,574	8,849	13,838
General and administrative	12,718	14,175	16,318
Depreciation and amortization	1,711	4,371	4,897
Goodwill impairment	0	0	5,133
Long-lived asset impairment	0	0	1,968
Total operating expenses	29,204	37,907	54,332
Operating loss	(5,524)	(15,338)	(39,072)
Interest and other income (expense), net	(1,524)	(410)	(106)
Other income (expense)	238	529	356
Loss before income tax provision	(6,810)	(15,219)	(38,822)
Income tax provision (benefit)	10	10	(6)
Net loss	$ (6,820)	$ (15,229)	$ (38,816)
Basic loss per common share	$ (0.52)	$ (1.17)	$ (3.04)
Diluted loss per common share	$ (0.52)	$ (1.17)	$ (3.04)