Note 6 - Property and Equipment, Net (Tables)
12 Months Ended
Feb. 29, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
2020
   
2019
 
Land
  $
513,618
    $
513,618
 
Building
   
5,031,395
     
5,031,395
 
Machinery and equipment
   
10,664,396
     
10,233,119
 
Furniture and fixtures
   
852,557
     
864,944
 
Leasehold improvements
   
1,154,396
     
1,131,659
 
Transportation equipment
   
440,989
     
422,458
 
Asset impairment
   
-
     
-
 
     
18,657,351
     
18,197,193
 
                 
Less accumulated depreciation
   
(12,719,338
)    
(12,411,054
)
Property and equipment, net
  $
5,938,013
    $
5,786,139