INVESTMENT IN AFFILIATES: (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Investment in affiliates
Equity in loss of affiliated companies	$ 50,000	$ 0	$ 50,000	$ 14,783,000
Empire Education Group Inc
Investment in affiliates
Ownership percentage	54.60%		54.60%
Investment value	$ 0		$ 0
Equity in loss of affiliated companies	0	0	0	1,832,000
Non-cash impairment charge	0	0	0	(12,954,000)
Total losses related to EEG	0	0	0	(14,786,000)
(Unaudited)
Gross revenues	32,660,000	31,573,000	93,715,000	101,237,000
Gross profit	10,287,000	2,851,000	27,429,000	18,257,000
Operating income (loss)	554,000	(3,288,000)	336,000	(6,578,000)
Net income (loss)	$ 425,000	$ (2,784,000)	$ (48,000)	$ (6,142,000)