Revenue (Tables)

12 Months Ended

Dec. 31, 2024

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

The following table represents a disaggregation of revenue from contracts by end markets for the years ended December 31, 2024 and 2023 (in thousands):

	Year Ended December 31, 2024
	Over time		Point in time		Total
Energy	$	216	$	511	$	727
Aerospace		11,205		1,879		13,084
Industrial		6,921		1,350		8,271
Research		3,736		1,058		4,794
Total	$	22,216	$	4,660	$	26,876

	Year Ended December 31, 2023
	Over time		Point in time		Total
Energy	$	4,901	$	189	$	5,090
Aerospace		3,427		1,469		4,896
Industrial		6,123		2,821		8,944
Research		3,700		1,479		5,179
Total	$	18,151	$	5,958	$	24,109

Schedule of Cost and Estimated Earnings in Excess of Billings

Contract assets and contract liabilities on input method type contracts in progress are summarized at December 31 as follows (in thousands):

	2024			2023
Costs incurred on contracts in progress	$	14,696		$	9,500
Estimated earnings		7,052			5,083
		21,748			14,583
Billings to date		(22,059	)		(17,553	)
		(311	)		(2,970	)
Deferred revenue related to non-systems contracts		(598	)		(334	)
	$	(909	)	$	(3,304	)
Included in accompanying consolidated balance sheets under the following captions (in thousands):
Contract assets	$	2,226		$	1,604
Contract liabilities	$	3,135		$	4,908