REVENUE (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Stream	Jun. 30, 2023 USD ($)
Revenue by Segment and Type [Abstract]
Number of distinct revenue streams | Stream			3
Revenue	$ 11,725	$ 12,387	$ 23,008	$ 23,260
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	1,709	1,255	2,688	3,105
Engineering [Member] | System Design and Build [Member]
Revenue by Segment and Type [Abstract]
Revenue	2,011	2,139	4,138	3,609
Engineering [Member] | System Design and Build [Member] | Over Time [Member]
Revenue by Segment and Type [Abstract]
Revenue	2,011	2,139	4,138	3,609
Engineering [Member] | Software and Support [Member]
Revenue by Segment and Type [Abstract]
Revenue	1,180	1,100	2,046	2,289
Engineering [Member] | Software and Support [Member] | Point in Time [Member]
Revenue by Segment and Type [Abstract]
Revenue	159	55	164	368
Engineering [Member] | Software and Support [Member] | Over Time [Member]
Revenue by Segment and Type [Abstract]
Revenue	1,021	1,045	1,882	1,921
Engineering [Member] | Training and Consulting Services [Member]
Revenue by Segment and Type [Abstract]
Revenue	6,140	5,805	11,876	10,088
Engineering [Member] | Training and Consulting Services [Member] | Point in Time [Member]
Revenue by Segment and Type [Abstract]
Revenue	19	101	101	297
Engineering [Member] | Training and Consulting Services [Member] | Over Time [Member]
Revenue by Segment and Type [Abstract]
Revenue	6,121	5,704	11,775	9,791
Workforce Solutions [Member]
Revenue by Segment and Type [Abstract]
Revenue	2,394	3,343	4,948	7,274
Workforce Solutions [Member] | Training and Consulting Services [Member]
Revenue by Segment and Type [Abstract]
Revenue	2,394	3,343	4,948	7,274
Workforce Solutions [Member] | Training and Consulting Services [Member] | Point in Time [Member]
Revenue by Segment and Type [Abstract]
Revenue	118	90	211	209
Workforce Solutions [Member] | Training and Consulting Services [Member] | Over Time [Member]
Revenue by Segment and Type [Abstract]
Revenue	$ 2,276	$ 3,253	$ 4,737	$ 7,065