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Subsequent Event	9 Months Ended
Subsequent Event	Sep. 30, 2011
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Event On November 1, 2011, the Company entered into a $40.0 million secured revolving line of credit agreement with Silicon Valley Bank to replace the Company's existing line of credit agreement with Silicon Valley Bank. Refer to Note 7 - Short-Term Borrowings for a compete description of the terms and conditions of the new line of credit.