Segment Information, Loss Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information, Profit (Loss) [Abstract]
Revenues		$ 55,183	$ 57,620
Operating loss		(5,974)	(9,538)
Litigation		0	(477)
Loss on impairment	$ (4,300)	(3)	(4,302)
Interest expense		(159)	(623)
Gain (loss) on derivative instruments, net		19	(17)
Other income (expense), net		16,884	(4)
Income (loss) before taxes		10,770	(10,182)
Performance Improvement Solutions [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Revenues		28,140	32,790
Operating loss		(4,422)	(2,683)
Workforce Solutions [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Revenues		27,043	24,830
Operating loss		$ (1,549)	$ (2,076)