XML 48 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8
Significant Accounting Policies (Details) (USD $)
12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Finite-Lived Intangible Assets [Line Items]      
Operating expenses denominated in foreign currency (as a percent) 19.00% 19.00% 16.00%
Write-off of equipment $ 96,000 $ 25,000 $ 102,000
Operating loss carryforward 63,600,000    
Valuation allowance $ 63,528,000 $ 60,223,000  
Licensed Intellectual Property [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 5 years    
Minimum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 1 year    
Maximum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 7 years    
Leasehold Improvements [Member] | Minimum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 1 year    
Leasehold Improvements [Member] | Maximum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 7 years    
Assets Held under Capital Leases [Member] | Minimum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 1 year    
Assets Held under Capital Leases [Member] | Maximum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 7 years