| Property, Plant and Equipment [Table Text Block] |
| | | November 30, 2021 | | | February 28, 2021 | |
| Land | | $ | 513,618 | | | $ | 513,618 | |
| Building | | | 5,148,854 | | | | 4,827,807 | |
| Machinery and equipment | | | 9,962,400 | | | | 10,129,508 | |
| Furniture and fixtures | | | 787,921 | | | | 797,303 | |
| Leasehold improvements | | | 995,219 | | | | 985,407 | |
| Transportation equipment | | | 479,701 | | | | 429,789 | |
| | | | 17,887,713 | | | | 17,683,432 | |
| | | | | | | | | |
| Less accumulated depreciation | | | (12,442,247 | ) | | | (12,531,417 | ) |
| Property and equipment, net | | $ | 5,445,466 | | | $ | 5,152,015 | |
|