Note 3 - Summary of Significant Accounting Policies (Tables)
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6 Months Ended |
Jun. 30, 2026 |
| Notes Tables |
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| Schedule of Brokerage Commissions Paid [Table Text Block] |
| | | CORN | | | SOYB | | | CANE | | | WEAT | | | TAGS | | | BTCK | | | TRUST | |
| Three months ended June 30, 2026 | | $ | 84,859 | | | $ | 27,247 | | | $ | 29,024 | | | $ | 50,606 | | | $ | - | | | $ | - | | | $ | 191,736 | |
| Three months ended June 30, 2025 | | $ | 11,477 | | | $ | 1,829 | | | $ | 3,781 | | | $ | 18,055 | | | $ | - | | | $ | - | | | $ | 35,142 | |
| Six months ended June 30, 2026 | | $ | 144,218 | | | $ | 33,455 | | | $ | 44,167 | | | $ | 94,433 | | | $ | - | | | $ | - | | | $ | 316,273 | |
| Six months ended June 30, 2025 | | $ | 21,549 | | | $ | 5,168 | | | $ | 6,929 | | | $ | 31,989 | | | $ | - | | | $ | - | | | $ | 65,635 | |
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| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| Deferred Tax Assets: | | | | |
| Unrealized loss on investments | | $ | 10,918 | |
| Less valuation allowance | | | (10,918 | ) |
| Deferred tax assets / (liabilities), net | | $ | - | |
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| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| | | Current | | | Deferred | | | Total | |
| Period ended June 30, 2026: | | | | | | | | | | | | |
| US federal | | $ | (1,787 | ) | | $ | 8,273 | | | $ | 6,486 | |
| State and local | | | (791 | ) | | | 2,645 | | | | 1,854 | |
| Valuation allowance | | | - | | | | (10,918 | ) | | | (10,918 | ) |
| Tax Benefit/(Expense) | | $ | (2,578 | ) | | $ | - | | | $ | (2,578 | ) |
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| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| Total Tax Expense (Benefit) | | Amount | | | Rate | |
| Tax Expense (Benefit) at Statutory Rates | | $ | (6,320 | ) | | | 21.00 | % |
| State Income Tax Expense (Net of Federal Benefit) - Vermont | | | (2,020 | ) | | | 6.71 | |
| Change in Valuation Allowance | | | 10,918 | | | | (36.28 | ) |
| Total Tax Expense (Benefit) | | $ | 2,578 | | | | (8.57 | )% |
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| Schedule of Cash and Cash Equivalents [Table Text Block] |
| | | CORN | | | SOYB | | | CANE | | | WEAT | | | TAGS | | | BTCK | | | TRUST | |
| Money Market Funds | | $ | 75,395,425 | | | $ | 22,862,109 | | | $ | 45,046,853 | | | $ | 147,169,535 | | | $ | 28,573 | | | $ | 267,927 | | | $ | 290,770,422 | |
| Demand Deposit Savings Accounts | | | 11,515,985 | | | | 6,040,298 | | | | 2,526,180 | | | | 11,447,613 | | | | - | | | | - | | | | 31,530,076 | |
| Commercial Paper | | | 79,405,515 | | | | 17,482,476 | | | | 22,120,201 | | | | 91,720,471 | | | | - | | | | - | | | | 210,728,663 | |
| Total cash and cash equivalents as presented on the Statement of Assets and Liabilities | | $ | 166,316,925 | | | $ | 46,384,883 | | | $ | 69,693,234 | | | $ | 250,337,619 | | | $ | 28,573 | | | $ | 267,927 | | | $ | 533,029,161 | |
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| | | CORN | | | SOYB | | | CANE | | | WEAT | | | TAGS | | | BTCK | | | TRUST | |
| Money Market Funds | | $ | 11,379,804 | | | $ | 15,652,455 | | | $ | 9,084,397 | | | $ | 46,066,158 | | | $ | 13,162 | | | $ | - | | | $ | 82,195,976 | |
| Demand Deposit Savings Accounts | | | 11,312,371 | | | | 5,933,499 | | | | 2,481,514 | | | | 11,245,207 | | | | - | | | | 100 | | | | 30,972,691 | |
| Commercial Paper | | | 22,399,306 | | | | 17,432,415 | | | | 2,491,556 | | | | 49,780,895 | | | | - | | | | - | | | | 92,104,172 | |
| Total cash and cash equivalents as presented on the Statement of Assets and Liabilities | | $ | 45,091,481 | | | $ | 39,018,369 | | | $ | 14,057,467 | | | $ | 107,092,260 | | | $ | 13,162 | | | $ | 100 | | | $ | 205,272,839 | |
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| Schedule of Related Party Transactions [Table Text Block] |
| Three months ended June 30, 2026 | | CORN | | | SOYB | | | CANE | | | WEAT | | | TAGS | | | BTCK | | | TRUST | |
| Recognized Related Party Transactions | | $ | 299,928 | | | $ | 99,201 | | | $ | 91,425 | | | $ | 442,401 | | | $ | 30,345 | | | $ | - | | | $ | 963,300 | |
| Waived Related Party Transactions | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 30,345 | | | $ | - | | | $ | 30,345 | |
| Three months ended June 30, 2025 | | CORN | | | SOYB | | | CANE | | | WEAT | | | TAGS | | | TRUST | |
| Recognized Related Party Transactions | | $ | 110,241 | | | $ | 48,376 | | | $ | 31,527 | | | $ | 227,576 | | | $ | 17,119 | | | $ | 434,839 | |
| Waived Related Party Transactions | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 17,119 | | | $ | 17,119 | |
| Six months ended June 30, 2026 | | CORN | | | SOYB | | | CANE | | | WEAT | | | TAGS | | | BTCK | | | TRUST | |
| Recognized Related Party Transactions | | $ | 420,262 | | | $ | 178,569 | | | $ | 123,532 | | | $ | 725,189 | | | $ | 47,773 | | | $ | - | | | $ | 1,495,325 | |
| Waived Related Party Transactions | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 47,773 | | | $ | - | | | $ | 47,773 | |
| Six months ended June 30, 2025 | | CORN | | | SOYB | | | CANE | | | WEAT | | | TAGS | | | TRUST | |
| Recognized Related Party Transactions | | $ | 270,496 | | | $ | 128,513 | | | $ | 83,569 | | | $ | 485,490 | | | $ | 34,948 | | | $ | 1,003,016 | |
| Waived Related Party Transactions | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 34,948 | | | $ | 34,948 | |
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| Schedule of Expenses Paid Waived by Sponsor [Table Text Block] |
| | | CORN | | | SOYB | | | CANE | | | WEAT | | | TAGS | | | BTCK | | | TRUST | |
| Three months ended June 30, 2026 | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 58,560 | | | $ | - | | | $ | 58,560 | |
| Three months ended June 30, 2025 | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 59,263 | | | $ | - | | | $ | 59,263 | |
| Six months ended June 30, 2026 | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 112,830 | | | $ | - | | | $ | 112,830 | |
| Six months ended June 30, 2025 | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 110,117 | | | $ | - | | | $ | 110,117 | |
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