Commitments and Contingencies - Minimum Lease Payments Under Operating Leases and License Obligations (Detail) (USD $)	Jun. 29, 2013
Licenses [Member]
Operating Leased Assets [Line Items]
Remainder of 2013
2014	30,000
2015	45,000
2016	45,000
2017	45,000
Thereafter	45,000
Total payments	210,000
Operating Leases [Member]
Operating Leased Assets [Line Items]
Remainder of 2013	826,000
2014	1,698,000
2015	1,750,000
2016	1,680,000
2017	88,000
Total payments	$ 6,042,000