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Inventories (Detail) - Schedule of Invetory, Current (USD $)
In Thousands, unless otherwise specified |
Apr. 30, 2013
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Jul. 31, 2012
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|---|---|---|
| Raw materials | $ 1,071 | $ 1,283 |
| Work in process | 2,597 | 2,821 |
| Finished products | 5,603 | 4,696 |
| $ 9,271 | $ 8,800 |
| X | ||||||||||
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- Definition
Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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