|
Net Book Value of Property and Equipment Financed Through Capital Leases (Detail) (USD $)
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Capital Leased Assets [Line Items] | ||
| Property and equipment financed through capital leases | $ 304 | $ 304 |
| Less: Accumulated depreciation | (215) | (148) |
| Property and equipment financed through capital leases, net | 89 | 156 |
|
Lab Equipment [Member]
|
||
| Capital Leased Assets [Line Items] | ||
| Property and equipment financed through capital leases | 71 | 71 |
|
Leasehold improvements [Member]
|
||
| Capital Leased Assets [Line Items] | ||
| Property and equipment financed through capital leases | 143 | 143 |
|
Computer hardware [Member]
|
||
| Capital Leased Assets [Line Items] | ||
| Property and equipment financed through capital leases | $ 90 | $ 90 |