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NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
6 Months Ended
Sep. 30, 2019
Notes to Financial Statements [Abstract]  
Schedule of Accounts Receivable [Table Text Block]

 

 

September 30, 2019
(unaudited)

 

 

March 31, 2019

 

Trade receivables, net

$

4,333,766

 

$

3,142,580

 

Less: Allowance for doubtful accounts

 

(40,000)

 

 

(40,000)

 

Accrual for 2% 10 days discount

 

(37,688)

 

 

(34,399)

 

Net accounts receivable

$

4,256,078

 

$

3,068,181

 

Schedule of Inventory, Current [Table Text Block]

 

 

 

September 30, 2019

 

 

March 31, 2019

 

 

 

 

(unaudited)

 

 

 

 

 

Raw materials

$

1,036,547

 

$

1,066,105

 

 

Finished goods

 

758,698

 

 

991,907

 

 

Total inventory

$

1,795,245

 

$

2,058,012