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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Our cash and cash equivalents balance as of September 30, 2017 included $10.0 million we invested in the GBAM fund. On October 1, 2017, we redeemed $5.0 million from the GBAM Fund. The proceeds from the redemption were used in part to satisfy payment obligations to IOENGINE, CMC and RSI related to the settlement of our lawsuits. See Note 14 - Segment Information for additional information on the GBAM Fund. See also Note 15 - Litigation, Commitments and Contingencies for additional information on the CMC and IOENGINE settlements and Note 16 - Related Party Transactions for additional information on the RSI payment obligation.