Revenue (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) Stream	Mar. 31, 2021 USD ($)
Disaggregation of Revenue [Abstract]
Revenue	$ 12,275	$ 13,104
Number of distinct revenue streams | Stream	3
Contract with Customer, Asset and Liability [Abstract]
Revenue recognized in the period from amounts included in billings in excess of revenue earned at the beginning of the period	$ 1,456	2,189
Performance Improvement Solutions [Member]
Disaggregation of Revenue [Abstract]
Revenue	6,397	7,081
Performance Improvement Solutions [Member] | System Design and Build [Member]
Disaggregation of Revenue [Abstract]
Revenue	1,412	1,862
Performance Improvement Solutions [Member] | System Design and Build [Member] | Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	0	0
Performance Improvement Solutions [Member] | System Design and Build [Member] | Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	1,412	1,862
Performance Improvement Solutions [Member] | Software and Support [Member]
Disaggregation of Revenue [Abstract]
Revenue	372	813
Performance Improvement Solutions [Member] | Software and Support [Member] | Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	45	95
Performance Improvement Solutions [Member] | Software and Support [Member] | Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	327	718
Performance Improvement Solutions [Member] | Training and Consulting [Member]
Disaggregation of Revenue [Abstract]
Revenue	4,613	4,406
Performance Improvement Solutions [Member] | Training and Consulting [Member] | Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	418	68
Performance Improvement Solutions [Member] | Training and Consulting [Member] | Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	4,195	4,338
Workforce Solutions [Member]
Disaggregation of Revenue [Abstract]
Revenue	5,878	6,023
Workforce Solutions [Member] | Training and Consulting [Member]
Disaggregation of Revenue [Abstract]
Revenue	5,878	6,023
Workforce Solutions [Member] | Training and Consulting [Member] | Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	0	86
Workforce Solutions [Member] | Training and Consulting [Member] | Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	$ 5,878	$ 5,937