Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net income (loss)	$ 3,777,532	$ 666,503	$ (3,849,773)
Other Comprehensive Income (Loss):
Unrealized loss on marketable securities	0	(26,128)	0
Reclassification adjustment	0	26,128	0
Net income (loss) on marketable securities	0	0	0
Comprehensive income (loss)	$ 3,777,532	$ 666,503	$ (3,849,773)