Business Combinations - Schedule of Recognized Identified Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Apr. 13, 2022	Aug. 03, 2021
Business Acquisition [Line Items]
Goodwill	$ 7,390	$ 7,390	$ 18,816
Impairment of goodwill related to Freedom Photonics		12,489
ATS
Business Acquisition [Line Items]
Goodwill	5,640	5,640	$ 18,129
Impairment of goodwill related to Freedom Photonics	$ 12,500	$ 12,489
Freedom Photonics
Business Acquisition [Line Items]
Cash and cash equivalents				$ 1,063
Accounts receivable				3,311
Contract asset				1,913
Inventories, net				127
Other current assets				70
Property and equipment				1,353
Operating lease right-of-use assets				449
Other non-current assets				22
Total intangible assets				15,600
Goodwill				15,885
Total assets acquired				39,793
Current and non-current liabilities				(5,158)
Total liabilities assumed				(5,158)
Net assets acquired				$ 34,635
Optogration, Inc.
Business Acquisition [Line Items]
Cash and cash equivalents					$ 358
Accounts receivable					810
Other current assets					482
Property and equipment					1,248
Other non-current assets					384
Total intangible assets					2,650
Goodwill					2,244
Total assets acquired					8,176
Current Liabilities					(488)
Non-current liabilities					(1,346)
Total liabilities assumed					(1,834)
Net assets acquired					$ 6,342