|
Amortization Expense (Detail) (USD $)
|
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 29, 2012
|
Sep. 24, 2011
|
Sep. 29, 2012
|
Sep. 24, 2011
|
|
| Finite-Lived Intangible Assets [Line Items] | ||||
| Amortization expense | $ 80,135 | $ 75,509 | $ 240,406 | $ 233,914 |