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Subsequent events	6 Months Ended
Subsequent events	Jun. 30, 2017
Subsequent events.
Subsequent events	11. Subsequent events The Company reviews all activity subsequent to the end of the quarter but prior to issuance of the condensed consolidated financial statements for events that could require disclosure or that could impact the carrying value of assets or liabilities as of the balance sheet date. There are no material subsequent events to the three and six months ended June 30, 2017.