v2.4.0.6
Short-Term Borrowings (Details Textual) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Bank Loans $ 20
Debt Instrument, Interest Rate at Period End 1.20%
Line of Credit Facility, Description The line of credit agreement expired on April 30, 2013 and was renewed for another term that expires on April 30, 2014, at essentially the same terms as the prior agreement.
Revolving Credit Facility [Member]
 
Line of Credit Facility, Amount, Total (in dollars) $ 60