CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Condensed Consolidated Statements Of Comprehensive Income Loss
Net income (loss)	$ 65,600	$ (36,900)	$ 62,200	$ (2,600)
Other comprehensive income (loss):
Unrealized holding gain (loss) on investments arising during period, net of tax	1,300	3,000	(5,600)	(1,900)
Comprehensive income (loss)	$ 66,900	$ (33,900)	$ 56,600	$ (4,500)