Significant Accounting Policies (Details 4)	12 Months Ended
	Jan. 02, 2016
Leasehold improvements [Member]
Leasehold improvements and equipment useful life	Until the end of the lease term
Computer equipment [Member]
Leasehold improvements and equipment useful life	3 to 5 years
Furniture and Fixtures [Member]
Leasehold improvements and equipment useful life	7 years
Laboratory equipment [Member]
Leasehold improvements and equipment useful life	10 years