Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share

A reconciliation of shares used in calculating basic and diluted earnings per share follows:

	Year Ended December 31,
	2018	2017	2016
Basic	59,203,400	56,358,017	56,063,777
Effect of assumed exercised options	—	—	—
Diluted	59,203,400	56,358,017	56,063,777