Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Net income	$ 285,954	$ 871,704
Other comprehensive (loss) income
Foreign currency translation (loss) gain	(11,583)	42,705
Changes in short-term investment valuations	0	(44,097)
Comprehensive income	$ 274,371	$ 870,312