Commitments and Contingencies (Details Textual) (USD $)	9 Months Ended	3 Months Ended	12 Months Ended			12 Months Ended
	Sep. 29, 2012	Mar. 31, 2012 Software [Member]	Dec. 31, 2009 Software [Member]	Sep. 29, 2012 Software [Member]	Dec. 31, 2011 Software [Member]	Dec. 31, 2010 Equipment [Member]	Sep. 29, 2012 Equipment [Member]
Loss Contingency, Damages Sought, Value	$ 1,600,000
Long-term Purchase Commitment, Amount		285,000	401,000			99,000
Long-term Purchase Commitment, Time Period (in years)		3 years	3 years			3 years
Long-term Purchase Commitment, Amount Outstanding				$ 238,000	$ 21,000		$ 41,000