Subsequent Event (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Oct. 05, 2012
Subsequent Event (Textual) [Abstract]
Revolving credit facility maturity date	Dec. 31, 2012
Revolving credit facility borrowings	$ 8.4
Comerica Line [Member]
Subsequent Event (Textual) [Abstract]
Revolving credit facility		10
Revolving credit facility maturity date	Oct. 05, 2014
Revolving cash borrowings under a secured credit facility of up to the lesser	$10 million or 80% of certain eligible domestic accounts receivable held by us that arise in the ordinary course of our business and 90% of eligible foreign accounts receivable held by the Company that arise in the ordinary course of our business
Revolving credit facility interest rate	4.75%
Revolving credit facility borrowings	8.4
Restricted cash for the credit facility	1.6
Comerica Line [Member] | Line of Credit [Member]
Subsequent Event (Textual) [Abstract]
Revolving credit facility borrowings	$ 1.6