Obligations (Narrative) (Details) (USD $)			1 Months Ended					1 Months Ended		9 Months Ended
	Sep. 29, 2013	Dec. 30, 2012	Feb. 29, 2012 Capital Lease Obligation, Leased February 2012 [Member] Software Tools [Member]	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]	Sep. 29, 2013 Capital Lease Obligation, Leased January 2012 [Member] Software Tools [Member]	Dec. 31, 2011 Capital Lease Obligation, Leased December 2011 [Member] Software [Member]	Sep. 29, 2013 Capital Lease Obligation, Leased December 2011 [Member] Software [Member]	Sep. 29, 2013 Revolving Credit Facility [Member] Silicon Valley Bank [Member]
Debt and Capital Lease Obligations [Line Items]
Maximum borrowing capacity										$ 6,000,000
Line of credit outstanding										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			3 years			3 years		2 years
Capital lease, implied interest rate			4.30%			4.24%		4.24%
Capital lease, periodic payment				9,000	18,000	82,500		34,125
Capital lease obligations	194,000	426,000	27,000			495,000			34,000
Current portion of capital lease obligations	194,000	160,000					160,000
Total amount of debt									$ 273,000