FINANCIAL HIGHLIGHTS (Details) - $ / shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Per Share Operating Performance: | ||
| Net asset value, beginning of year | $ 7.34 | $ 8.12 |
| Total income (loss) | (0.41) | 2.17 |
| Total expenses | (0.03) | (0.03) |
| Net increase (decrease) in net asset value | (0.44) | 2.14 |
| Net asset value, end of year | $ 6.9 | $ 10.26 |
| Total Return | (5.99%) | 26.35% |
| Ratios to Average Net Assets | ||
| Total income (loss) | (3.50%) | 24.05% |
| Management fees | 0.60% | 0.60% |
| Total expenses excluding management fees | 0.97% | 0.76% |
| Net income (loss) | (3.88%) | 23.72% |