Notes Payable (Details Textual)	3 Months Ended
	Mar. 23, 2013 USD ($)	Mar. 23, 2013 EUR (€)
Line of Credit Facility, Maximum Borrowing Capacity	$ 22,000,000
Debt Instrument, Maturity Date	Jul. 31, 2013
Debt Instrument Principal Amount	8,500,000
Debt Instrument, Term Loan Maturity Date	May 31, 2015
Debt Instrument, Periodic Payment	500,000
Long-term Commercial Paper	5,000,000
Bank Overdrafts	2,600,000	2,000,000
Seller Financed Arrangement Maximum Borrowing Capacity	2,500,000
Seller Financed Arrangement Periodic Payments Principal	156,000
Seller Financed Arrangement Periodic Payments Maturity Date	Nov. 30, 2016
Long-term Debt, Gross	$ 2,200,000