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, 2018
Schedule of Accounts Receivable [Table Text Block]
    2018     2017  
Trade receivables, net $ 2,639,095   $ 1,419,281  
Less: Allowance for doubtful accounts   (40,000 )   (-0- )
Net accounts receivable $ 2,599,095   $ 1,419,281  
Schedule of Inventory, Current [Table Text Block]
    2018     2017  
Raw materials $ 766,556   $ 587,688  
Finished goods   235,464     232,300  
Total inventory $ 1,002,020   $ 819,988  
Straight-line Method of Depreciation [Table Text Block]
Equipment 5 years
Equipment under capital lease 5 years