Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2020

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,
	2020	2019	2018
Basic	65,888,450	62,593,026	59,203,400
Effect of assumed exercised options	—	—	—
Diluted	65,888,450	62,593,026	59,203,400