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Obligations (Narrative) (Details) (USD $)
1 Months Ended 1 Months Ended 1 Months Ended 9 Months Ended
Sep. 28, 2014
Dec. 29, 2013
Jul. 31, 2014
Capital Lease Obligation, Leased July 2014 [Member]
Software [Member]
Sep. 28, 2014
Capital Lease Obligation, Leased July 2014 [Member]
Software [Member]
Jul. 31, 2014
Capital Lease Obligation, Leased July 2014 [Member]
Software Tools [Member]
Jul. 31, 2014
July Lease Payment One [Member]
Software [Member]
Jul. 31, 2014
July Lease Payment Two [Member]
Software [Member]
Jul. 31, 2014
July Lease Payment Three [Member]
Software [Member]
Jul. 31, 2014
July Lease Payment Four [Member]
Software [Member]
May 31, 2014
Capital Lease Obligation, Leased May 2014 [Member]
Software [Member]
Sep. 28, 2014
Capital Lease Obligation, Leased May 2014 [Member]
Software [Member]
May 31, 2014
Capital Lease Obligation, Leased May 2014 [Member]
Software Tools [Member]
Dec. 29, 2013
Capital Lease Obligation, Leased December 2013 [Member]
Software [Member]
Sep. 28, 2014
Capital Lease Obligation, Leased December 2013 [Member]
Software [Member]
Sep. 28, 2014
Revolving Credit Facility [Member]
Silicon Valley Bank [Member]
Jun. 30, 2014
Revolving Credit Facility [Member]
Silicon Valley Bank [Member]
Debt and Capital Lease Obligations [Line Items]                                
Maximum borrowing capacity                               $ 6,000,000
Revolving line of credit 1,000,000 1,000,000                         1,000,000  
Interest rate                             3.75%  
Minimum net worth required for compliance with covenants                             15,000,000  
Minimum adjusted quick ratio required for compliance with covenants                             2  
Minimum cash balance required for compliance with covenants                             8,000,000  
Capital lease, term         41 months             3 years 2 years      
Capital lease, implied interest rate     3.15%             4.80%     4.34%      
Capital lease, periodic payment     174,000     42,000 16,000 58,000 58,000 84,000     34,000      
Capital lease obligations 448,000 310,000   126,000           252,000 157,000   273,000 165,000    
Current portion of capital lease obligations $ 223,000 $ 177,000   $ 15,000             $ 77,000     $ 131,000