Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 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 net loss per share follows:

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2018	2017	2018	2017
Basic	58,648,195	55,954,158	57,982,648	55,964,568
Effect of assumed exercised options	—	—	—	—
Diluted	58,648,195	55,954,158	57,982,648	55,964,568