Consolidated Statements of Stockholders' (Deficit) Equity - USD ($) |
Total |
Common Stock [Member] |
Additional Paid-In Capital [Member] |
Treasury Stock [Member] |
Accumulated Deficit [Member] |
|---|---|---|---|---|---|
| Beginning balance at Nov. 30, 2021 | $ 4,184,314 | $ 146,658 | $ 41,586,583 | $ (20,812,734) | $ (16,736,193) |
| Beginning balance, shares at Nov. 30, 2021 | 14,665,772 | ||||
| Exercise of stock options | 32,000 | $ 100 | 31,900 | ||
| Exercise of stock options, shares | 10,000 | ||||
| Compensatory element of stock options | 31,896 | 31,896 | |||
| Treasury stock | (828,980) | (828,980) | |||
| Net income | 832,047 | 832,047 | |||
| Ending balance at Feb. 28, 2022 | 4,251,277 | $ 146,758 | 41,650,379 | (21,641,714) | (15,904,146) |
| Ending balance, shares at Feb. 28, 2022 | 14,675,772 | ||||
| Beginning balance at Nov. 30, 2022 | (1,524,302) | $ 148,480 | 42,597,380 | (22,632,649) | (21,637,513) |
| Beginning balance, shares at Nov. 30, 2022 | 14,848,001 | ||||
| Compensatory element of stock options | 313,174 | 313,174 | |||
| Treasury stock | (243,201) | (243,201) | |||
| Net income | 766,812 | 766,812 | |||
| Ending balance at Feb. 28, 2023 | $ (687,517) | $ 148,480 | $ 42,910,554 | $ (22,875,850) | $ (20,870,701) |
| Ending balance, shares at Feb. 28, 2023 | 14,848,001 |