DISCONTINUED OPERATIONS: (Details) (USD $)	3 Months Ended	9 Months Ended		1 Months Ended	3 Months Ended		9 Months Ended			3 Months Ended
	Mar. 31, 2012	Mar. 31, 2012	Jun. 30, 2011	Mar. 31, 2012 Purchaser of Trade Secret Lease	Mar. 31, 2012 Purchaser of Trade Secret Lease	Mar. 31, 2011 Purchaser of Trade Secret	Mar. 31, 2012 Purchaser of Trade Secret Lease	Mar. 31, 2011 Purchaser of Trade Secret	Jun. 30, 2011 Purchaser of Trade Secret	Jun. 30, 2011 Purchaser of Trade Secret Notes receivable	Mar. 31, 2011 Purchaser of Trade Secret Notes receivable
Discontinued operations
Valuation allowance										$ 22,200,000	$ 9,000,000
Principal balance of notes receivable				18,000,000	18,000,000		18,000,000
Quarterly payments due on notes receivable				500,000
Warehouse services income					300,000	600,000	1,200,000	2,000,000
Warehouse services receivables	32,424,000	32,424,000	27,149,000	135,000	135,000		135,000		320,000
Note receivable, current				2,912,000	2,912,000		2,912,000		2,607,000
Note receivable, current valuation allowance				(2,912,000)	(2,912,000)		(2,912,000)		(2,607,000)
Note receivable, long-term				15,088,000	15,088,000		15,088,000		31,086,000
Note receivable, long-term valuation allowance				(15,088,000)	(15,088,000)		(15,088,000)		(31,086,000)
Total note receivable, net				135,000	135,000		135,000		320,000
Number of operating leases guaranteed				30	30		30
Income (loss) from discontinued operations
Tax benefit in discontinued operations to correct the prior year calculation of the income tax benefit	$ 1,100,000	$ 1,100,000