Revenue (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) Stream	Mar. 31, 2022 USD ($)
Disaggregation of Revenue [Abstract]
Number of distinct revenue streams | Stream	3
Revenue	$ 10,873	$ 12,275
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	1,850	1,456
Engineering [Member] | System Design and Build [Member] | Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	1,470	1,412
Engineering [Member] | Software and Support [Member]
Disaggregation of Revenue [Abstract]
Revenue	1,189	372
Engineering [Member] | Software and Support [Member] | Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	313	45
Engineering [Member] | Software and Support [Member] | Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	876	327
Engineering [Member] | Training and Consulting Services [Member]
Disaggregation of Revenue [Abstract]
Revenue	4,282	4,613
Engineering [Member] | Training and Consulting Services [Member] | Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	196	418
Engineering [Member] | Training and Consulting Services [Member] | Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	4,086	4,195
Workforce Solutions [Member]
Disaggregation of Revenue [Abstract]
Revenue	3,931	5,878
Workforce Solutions [Member] | Training and Consulting Services [Member]
Disaggregation of Revenue [Abstract]
Revenue	3,932	5,878
Workforce Solutions [Member] | Training and Consulting Services [Member] | Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	119	0
Workforce Solutions [Member] | Training and Consulting Services [Member] | Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	$ 3,813	$ 5,878