|
Estimated Useful Lives of Assets (Detail)
|
6 Months Ended |
|---|---|
|
Jun. 30, 2012
|
|
|
Manufacturing equipment
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Property plant and equipment, useful life | 10 years |
|
Computer and General Equipment
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Property plant and equipment, useful life | 3 years |
|
Leasehold Improvements
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Property plant and equipment, useful life | 3 years |
|
Furniture and Fixtures
|
|
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Property plant and equipment, useful life | 3 years |