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Subsequent Event	6 Months Ended
Subsequent Event	Jun. 30, 2015
Subsequent Event.
Subsequent Event	(18) Subsequent Event On August 3, 2015, the Company announced the departure of its President and Chief Executive Officer Robert C. Gasser, effective immediately. R. Jarrett Lilien, a member of the Company’s board, will serve as the interim President and Chief Executive Officer until a permanent President and Chief Executive Officer is identified and appointed.