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Earnings Per Share	9 Months Ended
Earnings Per Share	Sep. 30, 2017
Earnings Per Share [Abstract]
Earnings Per Share	Earnings Per Share: The computation of diluted net loss per share does not include stock options, performance shares, and contingently issuable shares of 934,067 and 809,518 for the three and nine months ended September 30, 2017 and 2016, respectively, because the effect of their inclusion would be anti-dilutive based on their respective exercise prices.