Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenues	$ 28,582	$ 36,228	$ 92,814	$ 115,901
Operating expenses:
Salaries and benefits	19,686	23,522	67,071	74,493
Other operating expenses	8,781	10,813	29,896	32,075
Impairment of goodwill	0	0	0	27,000
Total operating expenses	28,467	34,335	96,967	133,568
Income (loss) from operations	115	1,893	(4,153)	(17,667)
Gain on sale of certain recovery contracts	579	0	2,428	0
Interest expense	(2,394)	(1,569)	(5,866)	(5,827)
Interest income	0	6	0	18
Income (loss) before provision for (benefit from) income taxes	(1,700)	330	(7,591)	(23,476)
Provision for (benefit from) income taxes	(9)	(1,644)	61	(5,767)
Net income (loss)	$ (1,691)	$ 1,974	$ (7,652)	$ (17,709)
Net income (loss) per share
Basic (in usd per share)	$ (0.03)	$ 0.04	$ (0.13)	$ (0.33)
Diluted (in usd per share)	$ (0.03)	$ 0.04	$ (0.13)	$ (0.33)
Weighted average shares
Basic (in shares)	62,127	54,684	57,512	54,299
Diluted (in shares)	62,127	54,710	57,512	54,299