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ADDITIONAL CASH FLOW INFORMATION (Details) - USD ($)
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Supplemental Cash Flow Elements [Abstract]    
Accounts receivable $ (30,020) $ 270,170
Inventories (26,594) 1,207,792
Income taxes receivable (34,793) (23,059)
Prepaid expenses and other current assets (126,234) (226,315)
Accounts payable 190,281 (1,332,411)
Accrued liabilities 6,092 (11,599)
Other liabilities (1,418) (6,500)
Net change 22,686 121,922
Net cash (refunded) paid during the period for:    
Income taxes 0 10
Interest $ 1,759 $ 846