FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Short-Term Investments | $ 96,899,767 | $ 64,945,289 |
| Exchange-Traded Futures Contracts | ||
| Foreign Contracts | 2,332,880 | (7,442,340) |
| Fair Value, Inputs, Level 1 [Member] | ||
| Short-Term Investments | 96,899,767 | 64,945,289 |
| Exchange-Traded Futures Contracts | ||
| Foreign Contracts | 2,332,880 | (7,442,340) |
| Fair Value, Inputs, Level 2 [Member] | ||
| Short-Term Investments | 0 | 0 |
| Exchange-Traded Futures Contracts | ||
| Foreign Contracts | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | ||
| Short-Term Investments | 0 | 0 |
| Exchange-Traded Futures Contracts | ||
| Foreign Contracts | $ 0 | $ 0 |