Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
Dec. 31, 2018
Schedule of Accounts Receivable [Table Text Block]
    December 31,     March 31,  
    2018     2018  
Trade receivables $  2,117,728   $  2,639,095  
Less: Allowance for doubtful accounts   (40,000 )   (40,000 )
Net accounts receivable $  2,077,728   $  2,599,095  
Schedule of Inventory, Current [Table Text Block]
    December 31, 2018     March 31, 2018  
Raw materials $  1,297,392   $  766,556  
Finished goods   406,405     235,464  
Total inventory $  1,703,797   $  1,002,020  
Straight-line Method of Depreciation [Table Text Block]
Equipment 5 years
Equipment under capital lease 5 years