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Obligations (Narrative) (Details) (USD $)
1 Months Ended 1 Months Ended 12 Months Ended
Dec. 30, 2012
Jan. 01, 2012
Feb. 29, 2012
Capital Lease Obligation, Leased February 2012 [Member]
Software Tools [Member]
payment
Feb. 29, 2012
Payment One [Member]
Software Tools [Member]
Feb. 29, 2012
Payment Two [Member]
Software Tools [Member]
Jan. 31, 2012
Capital Lease Obligation, Leased January 2012 [Member]
Software Tools [Member]
Dec. 31, 2011
Capital Lease Obligation, Leased January 2012 [Member]
Software Tools [Member]
Dec. 30, 2012
Capital Lease Obligation, Leased January 2012 [Member]
Software Tools [Member]
Dec. 31, 2011
Capital Lease Obligation, Leased December 2011 [Member]
Software [Member]
Dec. 30, 2012
Capital Lease Obligation, Leased December 2011 [Member]
Software [Member]
Dec. 30, 2012
Revolving Credit Facility [Member]
Silicon Valley Bank [Member]
Debt and Capital Lease Obligations [Line Items]                      
Maximum borrowing capacity                     $ 6,000,000
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 leases term     3 years     3 years     2 years    
Capital lease, implied interest rate     4.30%     4.24% 4.24%        
Number of payments required under capital lease     2                
Capital lease, periodic payment       9,000 18,000 82,500     38,000    
Capital lease obligations 426,000 287,000 27,000       300,000 495,000   280,000  
Current portion of capital lease obligations               $ 152,000   $ 146,000