Net Loss Per Common Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Net Income (Loss) per Common Share

The following table sets forth the computation of basic and diluted net income (loss) per common share for the periods indicated:

	Years ended December 31,
	2020		2019		2018
Basic and diluted net income (loss) per common share calculation:
Net income (loss)	$	(84,547)	$	(58,859)	$	63,087
Weighted average common shares outstanding - basic	74,185		42,224		37,061
Plus: net effect of dilutive stock options and unvested restricted stock units	—		—		27
Weighted average common shares outstanding - dilutive	74,185		42,224		37,088
Net income (loss) per common share - basic	$	(1.14)	$	(1.39)	$	1.70
Net income (loss) per common share - diluted	$	(1.14)	$	(1.39)	$	1.70

Schedule of Potentially Dilutive Securities Excluded from the Computations of Diluted Weighted Average Common Shares Outstanding

The following potentially dilutive securities have been excluded from the computations of diluted weighted average common shares outstanding for the periods presented, as the effect of including such shares would be anti-dilutive:

	Years ended December 31,
	2020	2019	2018
Stock options outstanding	8,928	6,780	5,873
Restricted stock units	1,958	1,481	601
Total	10,886	8,261	6,474