Goodwill (Details) $ in Thousands	3 Months Ended
Goodwill (Details) $ in Thousands	Mar. 31, 2026 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 12,448
Currency exchange rate adjustment	(16)
Ending balance	12,432
Laser Products
Goodwill [Roll Forward]
Beginning balance	2,200
Currency exchange rate adjustment	(16)
Ending balance	2,184
Advanced Development
Goodwill [Roll Forward]
Beginning balance	10,248
Currency exchange rate adjustment	0
Ending balance	$ 10,248

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details

NLIGHT, INC. 10-Q