Accounts and notes receivable (Tables)

9 Months Ended

Mar. 31, 2016

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

		March 31,			June 30,
		2016			2015
Accounts receivable	$	65,566,307		$	68,566,418
Notes receivable		-			-
		65,566,307			68,566,418
Less: Allowance for doubtful accounts		(24,248,822	)		(28,209,249	)
Total accounts and notes receivable, net	$	41,317,485		$	40,357,169