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Note 6 - Revenue (Tables) | 9 Months Ended
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Mar. 31, 2026
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Infrared components |  | $ | 6,147,583 |  |  | $ | 3,640,517 |  |  | $ | 15,423,577 |  |  | $ | 9,363,477 |
Visible components |  |  | 3,971,593 |  |  |  | 2,838,346 |  |  |  | 11,254,273 |  |  |  | 8,901,076 |
Assemblies and modules |  |  | 8,434,403 |  |  |  | 1,852,482 |  |  |  | 21,504,936 |  |  |  | 3,803,364 |
Engineering services |  |  | 596,235 |  |  |  | 836,282 |  |  |  | 2,376,961 |  |  |  | 2,924,920 |
Total revenue |  | $ | 19,149,814 |  |  | $ | 9,167,627 |  |  | $ | 50,559,747 |  |  | $ | 24,992,837 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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