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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2014
Subsequent Events [Abstract]
Subsequent Events	13.Subsequent Events In November 2014, the Company entered into a purchase agreement to sell its membership units in DPS to its joint venture partner, JPND II, LLC. The total proceeds to be received in exchange for the membership units is $1.15 million, and the Company anticipates closing on the purchase agreement in November 2014.