Segment Information - Schedule of Operating Results (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenue	$ 198,548	$ 209,921	$ 242,058
Gross profit	$ 33,019	$ 46,113	$ 50,821
Gross margin	16.60%	22.00%	21.00%
Operating Segments | Laser Products
Segment Reporting Information [Line Items]
Revenue	$ 136,659	$ 156,666	$ 192,658
Gross profit	$ 31,094	$ 44,891	$ 50,063
Gross margin	22.80%	28.70%	26.00%
Operating Segments | Advanced Development
Segment Reporting Information [Line Items]
Revenue	$ 61,889	$ 53,255	$ 49,400
Gross profit	$ 4,363	$ 3,628	$ 3,435
Gross margin	7.00%	6.80%	7.00%
Corporate and Other
Segment Reporting Information [Line Items]
Revenue	$ 0	$ 0	$ 0
Gross profit	$ (2,438)	$ (2,406)	$ (2,677)