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INVESTMENTS IN UNCONSOLIDATED ENTITIES (Tables) | 9 Months Ended
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Jan. 31, 2013
Summarized Balance Sheet Financial Information of Investments in Unconsolidated Affiliates | Summarized financial information for GreenFiber is as follows:
|  | January 31, 2013 |  |  | April 30, 2012 |
Current assets |  | $ | 15,470 |  |  | $ | 17,513 |
Noncurrent assets |  | $ | 30,246 |  |  | $ | 34,597 |
Current liabilities |  | $ | 14,406 |  |  | $ | 12,815 |
Noncurrent liabilities |  | $ | 5,126 |  |  | $ | 5,382 |
Summarized Income Statement Financial Information of Investments in Unconsolidated Affiliates |
|  | Three Months Ended January 31, |  |  | Nine Months Ended January 31, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Revenue |  | $ | 17,608 |  |  | $ | 23,460 |  |  | $ | 50,203 |  |  | $ | 61,317 |
Gross profit (loss) |  | $ | 3,638 |  |  | $ | (5,597 | ) |  | $ | 9,538 |  |  | $ | (2,082 | )
Net loss |  | $ | (2,785 | ) |  | $ | (12,818 | ) |  | $ | (6,651 | ) |  | $ | (20,382 | )

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