Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Net income	$ 779	$ 1,044,521	$ 850,380	$ 3,367,432
Other comprehensive (loss) income
Foreign currency translation (loss) gain	(31,130)	14,602	(90,807)	(106,183)
Changes in short-term investment valuation	269,162	38,805	224,333	32,363
Comprehensive income	$ 238,811	$ 1,097,928	$ 983,906	$ 3,293,612