Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Schedule of Potentially Issuable Common Shares not Included in Computation of Diluted Net Loss Per Share

The following potentially issuable common shares were not included in the computation of diluted net loss per share because they would have an anti-dilutive effect for the three and six months ended June 30, 2019 and 2018 (in thousands):

	Three Months Ended		Six Months Ended
	June 30,	June 30,	June 30,	June 30,
	2019	2018	2019	2018
Shares issuable upon the release of restricted stock awards	25	16	25	16
Shares issuable upon exercise of stock options	9,102	8,093	9,102	8,093
	9,127	8,109	9,127	8,109