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PROPERTY AND EQUIPMENT
9 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT [Text Block]

NOTE 3 - PROPERTY AND EQUIPMENT

Property and equipment consisted of the following at:

 

    December 31, 2022     March 31, 2022  
Machinery and equipment $ 6,004,239   $ 4,766,303  
Office equipment   55,439     55,439  
Less: accumulated depreciation   (4,231,108 )   (3,620,945 )
Property and equipment, net $ 1,858,570   $ 1,200,797  

Depreciation expense for the three months ended December 31, 2022 and December 31, 2021 was $203,777 and $159,014, respectively.

Depreciation expense for the nine months ended December 31, 2022 and December 31, 2021 was $610,162 and $477,045, respectively.