Net Loss Per Share (Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share) (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Basic	55,965,525	56,491,989	56,174,603	56,392,240
Effect of assumed exercised options	0	0	0	0
Diluted	55,965,525	56,491,989	56,174,603	56,392,240