Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Mar. 31, 2019
Schedule of Accounts Receivable [Table Text Block]
    2019     2018  
Trade receivables, net $  3,142,580   $ 2,667,010  
Less: Allowance for doubtful accounts   (40,000 )   (40,000 )
Accrual for 2% 10 days discount   (34,399)     (27,915)  
Net accounts receivable $  3,068,181   $  2,599,095  
Schedule of Inventory, Current [Table Text Block]
    2019     2018  
Raw materials $  1,066,105   $  766,556  
Finished goods   991,907     235,464  
Total inventory $  2,058,012   $  1,002,020