Note 4 - China Joint Venture - Rollforward of Joint Venture (Details) - Corporate Joint Venture [Member] - USD ($) |
12 Months Ended | 31 Months Ended | |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
|
| Beginning interest in China JV | $ 130,000 | $ 229,000 | |
| Contributions | 61,000 | 0 | $ 214,000 |
| Net income (loss) attributable to Apyx | 112,000 | (99,000) | |
| Ending interest in China JV | $ 303,000 | $ 130,000 | $ 303,000 |