Revenue (Tables)

3 Months Ended

Mar. 31, 2023

Revenue [Abstract]

Disaggregation of Revenue

The following table represents a disaggregation of revenue by type of goods or services for the three months ended March 31, 2023 and 2022, along with the reportable segment for each category:

	Three months ended
(in thousands)	March 31, 2023		March 31, 2022
Engineering
System Design and Build - Over time	$	1,470	$	1,412
Software and Support		1,189		372
Point in time		313		45
Over time		876		327
Training and Consulting Services		4,282		4,613
Point in time		196		418
Over time		4,086		4,195
Workforce Solutions
Training and Consulting Services		3,932		5,878
Point in time		119		-
Over time		3,813		5,878
Total revenue	$	10,873	$	12,275

Balance of Contract Liabilities and Revenue Recognized in Reporting Period

The following table reflects the revenue recognized in the reporting periods that were included in contract liabilities from contracts with customers:

(in thousands)	Three months ended
	March 31, 2023		March 31, 2022
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