Revenue (Tables)

9 Months Ended

Sep. 30, 2023

Revenue [Abstract]

Disaggregation of Revenue

The following table represents a disaggregation of revenue by type of goods or services for the three and nine months ended September 30, 2023 and 2022, along with the reporting segment for each category:

(in thousands)	Three months ended				Nine months ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
Engineering
System Design and Build	$	1,192	$	1,537	$	4,801	$	4,991
Over time		1,192		1,537		4,801		4,991
Software and Support		1,373		2,010		3,662		3,560
Point in time		259		530		627		662
Over time		1,114		1,480		3,035		2,898
Training and Consulting Services		6,092		4,505		16,180		13,851
Point in time		131		195		428		428
Over time		5,961		4,310		15,752		15,752
Workforce Solutions
Training and Consulting Services		2,909		3,846		10,183		14,516
Point in time		16		52		225		52
Over time		2,893		3,794		9,958		14,464
Total revenue	$	11,566	$	11,898	$	34,826	$	36,918

Balance of Contract Liabilities and Revenue Recognized in Reporting Period

The following table reflects revenue recognized in the reporting periods presented that was included in contract liabilities from contracts with customers as of the beginning of the periods presented:

(in thousands)	Three months ended				Nine months ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
Revenue recognized in the period from amounts included in billings in excess of revenue earned at the beginning of the period	$	466	$	174	$	3,571	$	2,666