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ADDITIONAL CASH FLOW INFORMATION (Details) - USD ($)
9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Supplemental Cash Flow Elements [Abstract]    
Accounts receivable $ 585,803 $ (691,504)
Inventories 641,211 (724,844)
Income taxes receivable 529,378 (167,927)
Prepaid expenses and other current assets (93,147) 33,581
Accounts payable (551,606) (291,981)
Accrued liabilities (338,137) 176,723
Other liabilities (11,656) (34,745)
Net change (761,846) 1,700,697
Net cash (refunded) paid during the period for:    
Income taxes (523,342) 557,751
Interest $ 964 $ 6,075