Credit Facility (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended
	Apr. 30, 2011	Mar. 31, 2013	Dec. 31, 2012	Apr. 04, 2011
Line of Credit Facility, Initiation Date	Apr. 04, 2011
Line of Credit Facility, Maximum Borrowing Capacity				$ 5.0
Line of Credit Facility, Interest Rate Description	The Amended Financing Agreement provides a credit facility to the Company of up to $5.0 million which bears interest at the higher of (i) the prime rate plus 2.0% or (ii) 5.25% percent, plus the payment of certain fees and expenses (the "Facility").
Line of Credit Facility, Current Borrowing Capacity		3.1		5.0
Line Of Credit Facility Eligible, Accounts Receivable Percentage				80.00%
Line Of Credit Facility Term	2 years
Line of Credit Facility, Amount Outstanding		$ 1.3	$ 2.4