Note 12 - Commitments and Contingencies (Details Textual) Pure in Thousands, $ in Millions |
6 Months Ended |
|---|---|
|
Jun. 30, 2026
USD ($)
| |
| Product Warranty Obligation, Term (Month) | 12 months |
| Outstanding Purchase Orders | 0 |
| Cross License Agreement [Member] | |
| License Agreement, Term (Year) | 10 years |
| Land Purchase and Investment Agreement [Member] | |
| Land Purchase and Investment Agreement, Total Value | $ 90 |
| Kazuo AXT Investment [Member] | |
| Land Purchase and Investment Agreement, Total Value | 15 |
| Kazuo Boyu Investment [Member] | |
| Land Purchase and Investment Agreement, Total Value | $ 8 |