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Note 18 - Segment Information - Segment Reporting Information (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Feb. 28, 2025 | Feb. 29, 2024 | Nov. 30, 2024
Revenue from external customers |  | $ 5,140,955 | $ 5,723,394 |
Gross profit |  | 1,496,509 | 1,473,524 |
Operating Expense |  | 1,494,024 | 1,853,606 |
Income (loss) from operations |  | 2,485 | (380,082) |
Income tax expense (benefit) |  | (14,652) | (112,777) |
Total Assets |  | 21,004,594 |  | $ 21,240,684
Depreciation & Amortization |  | 208,072 | 208,116 |
Interest expense |  | 75,688 | 165,639 |
Engineering |  | 85,230 | 160,353 |
Selling |  | 349,977 | 462,759 |
General and administrative (G&A) |  | 1,058,817 | 1,230,494 |
Operating Segments [Member] |  |  |  |
Revenue from external customers | [1] | 5,141,000 | 5,723,000 |
Gross profit | [1] | 1,496,000 | 1,473,000 |
Operating Expense | [1] | 1,494,000 | 1,854,000 |
Income (loss) from operations | [1] | 2,000 | (380,000) |
Income (loss) before tax | [1] | (70,000) | (537,000) |
Income tax expense (benefit) |  | (15,000) | (113,000) |
Total Assets | [1] | 21,005,000 | 23,216,000 |
Capital expenditures | [1] | 83,000 | 281,000 |
Depreciation & Amortization | [1] | 208,000 | 208,000 |
Interest expense |  | 76,000 | 166,000 |
Engineering |  | 85,000 | 160,000 |
Selling |  | 350,000 | 463,000 |
General and administrative (G&A) |  | 1,059,000 | 1,231,000 |
Operating Segments [Member] | Agricultural Products [Member] |  |  |  |
Revenue from external customers |  | 2,948,000 | 4,236,000 |
Gross profit |  | 788,000 | 1,141,000 |
Operating Expense |  | 1,167,000 | 1,568,000 |
Income (loss) from operations |  | (379,000) | (426,000) |
Income (loss) before tax |  | (438,000) | (574,000) |
Income tax expense (benefit) |  | (92,000) | (121,000) |
Total Assets |  | 18,857,000 | 20,470,000 |
Capital expenditures |  | 67,000 | 184,000 |
Depreciation & Amortization |  | 148,000 | 148,000 |
Interest expense |  | 61,000 | 153,000 |
Engineering |  | 85,000 | 160,000 |
Selling |  | 206,000 | 386,000 |
General and administrative (G&A) |  | 876,000 | 1,022,000 |
Operating Segments [Member] | Modular Buildings [Member] |  |  |  |
Revenue from external customers |  | 2,193,000 | 1,487,000 |
Gross profit |  | 708,000 | 332,000 |
Operating Expense |  | 327,000 | 286,000 |
Income (loss) from operations |  | 381,000 | 46,000 |
Income (loss) before tax |  | 368,000 | 37,000 |
Income tax expense (benefit) |  | 77,000 | 8,000 |
Total Assets |  | 2,148,000 | 2,746,000 |
Capital expenditures |  | 16,000 | 97,000 |
Depreciation & Amortization |  | 60,000 | 60,000 |
Interest expense |  | 15,000 | 13,000 |
Engineering |  | 0 | 0 |
Selling |  | 144,000 | 77,000 |
General and administrative (G&A) |  | 183,000 | 209,000 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |  |
Operating Expense |  | 146,000 | 166,000 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Agricultural Products [Member] |  |  |  |
Operating Expense |  | 101,000 | 136,000 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Modular Buildings [Member] |  |  |  |
Operating Expense |  | $ 45,000 | $ 30,000 |
[1] | The consolidated total in the tables is a sum of segment figures and may not tie to actual figures in the condensed consolidated financial statements due to rounding.

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