Revenue

12 Months Ended

Dec. 31, 2023

Revenue [Abstract]

Revenue

5.  Revenue

We account for revenue in accordance with ASC 606, Revenue from Contracts with Customers. We primarily generate revenue through three distinct revenue streams: (1) System Design and Build (“SDB”), (2) Software and (3) Training and Consulting Services across our Engineering and Workforce Solutions segments. We recognize revenue from SDB and software contracts mainly through our Engineering segment. We recognize training and consulting service contracts through both segments.

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

(in thousands)

	Twelve Months Ended December 31,
	2023		2022
Engineering segment
System Design and Build - Over time	$	6,307	$	6,595
Software		4,652		4,684
Point in time		568		921
Over time		4,084		3,763
Training and Consulting Services		20,831		18,640
Point in time		448		245
Over time		20,383		18,395
Workforce Solutions segment
Training and Consulting Services		13,251		17,815
Point in time		343		62
Over time		12,908		17,753
Total revenue	$	45,041	$	47,734

The following table reflects the balance of contract liabilities and the revenue recognized in the reporting period that was included in the contract liabilities from contracts with customers:

(in thousands)

	December 31, 2023		December 31, 2022
Billings in excess of revenue earned (BIE)	$	5,119	$	4,163
Revenue recognized in the period from amounts included in BIE at the beginning of the period	$	3,751	$	3,785

As of December 31, 2023, the aggregate amount of transaction price allocated to the remaining performance obligations of SDB, software and fixed-price training and consulting services contracts is $19.1 million. We will recognize the revenue as the performance obligations are satisfied, which is expected to occur over the next twelve months.

Part of the training and consulting services contracts are T&M based. Under a typical T&M contract, we are compensated based on the number of hours of approved time provided by temporary workers and the bill rates, which are fixed by type of work, as well as approved expenses incurred. We have elected to use the optional exemption under ASC 606-10-50-14(b) Revenue from Contracts with Customers, pursuant to which we have excluded disclosures of transaction prices allocated to remaining performance obligations under such contracts and when we expect to recognize the revenue.