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1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Feb. 28, 2019
1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) [Line Items]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The computation of weighted average common and common equivalent shares used in the calculation of basic and diluted EPS is shown below.

   

Year Ended February 28,

 
   

2019

   

2018

 

Earnings per share:

               

Net earnings applicable to common shareholders

  $ 6,678,400     $ 5,214,700  

Shares:

               

Weighted average shares outstanding-basic

    8,189,149       8,175,996  

Assumed exercise of options

    7,479       5,326  

Weighted average shares outstanding-diluted

    8,196,628       8,181,322  
                 

Diluted earnings per share:

               

Basic

  $ 0.82     $ 0.64  

Diluted

  $ 0.81     $ 0.64  
Property, Plant and Equipment, Estimated Useful Life [Member]  
1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) [Line Items]  
Property, Plant and Equipment [Table Text Block]
Property, plant and equipment are stated at cost and depreciated on a straight-line basis over the estimated useful lives, as follows:

Building

30 years

Building improvements

10 – 15 years

Machinery and equipment

3 – 15 years

Furniture and fixtures

3 years