Debt (Details Textual) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2012	Mar. 30, 2012
Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 5.0
Loans Payable [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 2.5
Warrants issued to purchase common stock, in connection with loan agreement	46,584
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.61