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Note 6 - Revenue - Revenue by Product Group (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Revenue	$ 19,149,814	$ 9,167,627	$ 50,559,747	$ 24,992,837
Infrared Components [Member]
Revenue	6,147,583	3,640,517	15,423,577	9,363,477
Visible Components [Member]
Revenue	3,971,593	2,838,346	11,254,273	8,901,076
Assemblies and Modules [Member]
Revenue	8,434,403	1,852,482	21,504,936	3,803,364
Engineering Services [Member]
Revenue	$ 596,235	$ 836,282	$ 2,376,961	$ 2,924,920

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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