| Investment [Table Text Block] |
| | | Investment Balance as of | | | | | | |
| | | June 30, | | | December 31, | | Accounting | | Ownership | |
| Company | | 2026 | | | 2025 | | Method | | Percentage [*] | |
| Nanjing JinMei Gallium Co., Ltd. | | $ | 592 | | | $ | 592 | | Consolidated | | | ** 85.5 | % |
| ChaoYang JinMei Gallium Co., Ltd. | | | 1,820 | | | | 1,820 | | Consolidated | | | ** 85.5 | % |
| Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd. | | | 1,346 | | | | 1,346 | | Consolidated | | | ** 85.5 | % |
| ChaoYang ShuoMei High Purity Semiconductor Materials Co., Ltd. | | | 3,122 | | | | 3,122 | | Consolidated | | | **** 75.0 | % |
| ChaoYang XinMei High Purity Semiconductor Materials Co., Ltd. | | | 7,331 | | | | 7,331 | | Consolidated | | | *** 58.5 | % |
| | | $ | 14,211 | | | $ | 14,211 | | | | | | |
| | | | | | | | | | | | | | |
| Beijing JiYa Semiconductor Material Co., Ltd. | | $ | 4,508 | | | $ | 4,428 | | Equity | | | 39 | % |
| Xiaoyi XingAn Gallium Co., Ltd. | | | 4,839 | | | | 5,827 | | Equity | | | ** 25 | % |
| ChaoYang KaiMei Quartz Co., Ltd. | | | 4,708 | | | | 4,713 | | Equity | | | ***** 40 | % |
| | | $ | 14,055 | | | $ | 14,968 | | | | | | |
|
| Equity Method Investments, Summarized Income Information [Table Text Block] |
| | | Three Months Ended | | | Six Months Ended | |
| | | June 30, | | | June 30, | |
| | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| Net revenue | | $ | 10,460 | | | $ | 7,064 | | | $ | 19,634 | | | $ | 15,722 | |
| Gross profit | | $ | 2,653 | | | $ | 1,862 | | | $ | 4,809 | | | $ | 3,806 | |
| Operating income | | $ | 1,709 | | | $ | 1,010 | | | $ | 3,109 | | | $ | 2,292 | |
| Net income (loss) | | $ | 1,429 | | | $ | (197 | ) | | $ | 2,676 | | | $ | 774 | |
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