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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2014
Subsequent Events [Abstract]
Subsequent Events [Text Block]	11. Subsequent Event During the fourth quarter of 2014, all of the $2,208 auction rate securities remaining at September 30, 2014 have been redeemed at par, and accordingly classified as current assets as of September 30, 2014.