INVESTMENT IN AFFILIATES: (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2015 USD ($) director	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) director	Dec. 31, 2014 USD ($)
Investment in affiliates
Equity in loss of affiliated companies	$ 13,925,000	$ 11,972,000	$ 14,783,000	$ 11,580,000
Empire Education Group Inc
Investment in affiliates
Ownership percentage	54.60%		54.60%
Investment value	$ 0		$ 0
Equity in loss of affiliated companies	900,000	7,300,000	$ 1,800,000	6,900,000
Non-cash impairment charge	$ 13,000,000			4,700,000
Non-cash deferred tax asset valuation allowance				6,900,000
Voting control, as a percentage	51.00%		51.00%
Equity Method Investment, Number of Members Appointed to Board of Directors by Investee | director	4		4
Equity Method Investment, Number of Board of Directors Members | director	5		5
Summarized Statement of Operations (Unaudited) [Abstract]
Gross revenues	$ 33,724,000	38,208,000	$ 69,664,000	78,801,000
Gross profit	7,365,000	8,734,000	15,406,000	19,341,000
Operating loss	(1,819,000)	(1,184,000)	(3,290,000)	(704,000)
Net loss	$ (1,805,000)	$ (13,449,000)	$ (3,358,000)	$ (13,007,000)