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DISCONTINUED OPERATIONS (Details) (USD $) |  |  | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Jun. 30, 2011 | Dec. 31, 2011 Purchaser of Trade Secret Lease | Dec. 31, 2010 Purchaser of Trade Secret | Dec. 31, 2011 Purchaser of Trade Secret Lease | Dec. 31, 2010 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 | Dec. 31, 2011 Purchaser of Trade Secret Accrued interest
Discontinued operations |  |  |  |  |  |  |  |  |  |
Valuation allowance |  |  |  |  |  |  |  | $ 22,200,000 | $ 9,000,000 | $ 3,800,000
Warehouse services income |  |  | 400,000 | 700,000 | 900,000 | 1,400,000 |  |  |  |
Warehouse services receivables | 31,944,000 | 27,149,000 | 203,000 |  | 203,000 |  | 320,000 |  |  |
Note receivable, current |  |  | 5,006,000 |  | 5,006,000 |  | 2,607,000 |  |  |
Note receivable, current valuation allowance |  |  | (5,006,000) |  | (5,006,000) |  | (2,607,000) |  |  |
Note receivable, long-term |  |  | 30,026,000 |  | 30,026,000 |  | 31,086,000 |  |  |
Note receivable, long-term valuation allowance |  |  | (30,026,000) |  | (30,026,000) |  | (31,086,000) |  |  |
Total note receivable, net |  |  | $ 203,000 |  | $ 203,000 |  | $ 320,000 |  |  |
Number of operating leases guaranteed |  |  | 30 |  | 30 |  |  |  |  |

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