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Inventory - Additional Information (Detail) (USD $)
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9 Months Ended | |
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Sep. 30, 2013
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Dec. 31, 2012
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| Inventory [Line Items] | ||
| Decrease in inventory reserve | $ 187,000 | |
| Inventory reserve | 91,000 | 278,000 |
| Prepaid assets | 3,020,000 | 1,521,000 |
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Prepaid inventory [Member]
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| Inventory [Line Items] | ||
| Prepaid assets | $ 2,592,000 | $ 1,061,000 |
| X | ||||||||||
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- Definition
Increase decrease in inventory reserve. No definition available.
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- Details
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- Definition
Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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