Debt (Details Textual) (USD $)	3 Months Ended	9 Months Ended		0 Months Ended		0 Months Ended	9 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 02, 2014	Oct. 03, 2014 Subsequent Event [Member]	Oct. 03, 2014 Subsequent Event [Member]	Sep. 02, 2014 Maximum [Member]	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Financing and Security Agreement [Member]	Sep. 30, 2014 Financing and Security Agreement [Member] LIBOR [Member] Maximum [Member]	Sep. 30, 2014 Financing and Security Agreement [Member] LIBOR [Member] Minimum [Member]
Short-term Debt [Line Items]
Borrowing capacity			$ 65,000,000
Long-term Debt, Gross			40,000,000		40,000,000
Line of Credit Facility, Interest Rate Description						LIBOR market index rate plus 2.50%	LIBOR market index rate plus 1.25%
Interest rate spread									2.25%	1.00%
Debt Instrument, Periodic Payment, Principal	1,111,111.11
Borrowing outstanding								4,880,000
Available borrowings								59,317,000
Weighted average interest rate		1.60%
Stock Repurchased During Period, Shares				2,127,706
Payments for Repurchase of Equity				$ 61,700,000