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Property and Equipment - Summary of Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | $ 920 | $ 931 |
| Less accumulated depreciation | (705) | (564) |
| Total | 215 | 367 |
|
Machinery and equipment [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | 276 | 327 |
|
Tooling and molds [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | 514 | 475 |
|
Furniture and fixtures [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | $ 130 | $ 129 |