INVESTMENT IN AFFILIATES: (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2016 USD ($) director	Mar. 31, 2015 USD ($)	Mar. 31, 2016 USD ($) director	Mar. 31, 2015 USD ($)
Summarized Income (Loss) Related to EEG:
Equity in loss of affiliated companies	$ 0	$ (285,000)	$ (14,783,000)	$ (11,865,000)
Empire Education Group Inc
Investment in affiliates
Ownership percentage	54.60%		54.60%
Investment value	$ 0		$ 0
Summarized Income (Loss) Related to EEG:
Equity in loss of affiliated companies	0	(282,000)	(1,832,000)	(7,207,000)
Other than temporary impairment	0	0	(12,954,000)	(4,654,000)
Total losses related to EEG	$ 0	(282,000)	$ (14,786,000)	(11,861,000)
Non-cash deferred tax asset valuation allowance				6,900,000
Voting control, as a percentage	51.00%		51.00%
Number of members appointed to board of directors by investee | director	4		4
Number of board of directors members | director	5		5
Summarized Statement of Operations (Unaudited) [Abstract]
Gross revenues	$ 31,573,000	38,419,000	$ 101,237,000	117,220,000
Gross profit	2,851,000	10,078,000	18,257,000	29,419,000
Operating loss	(3,288,000)	301,000	(6,578,000)	(403,000)
Net loss	$ (2,784,000)	$ (358,000)	$ (6,142,000)	$ (13,365,000)