Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Components of accumulated other comprehensive loss

The components of accumulated other comprehensive loss, net of tax, for the three and six months ended June 30, 2020 is as follows (in thousands):

	Foreign Currency Translation Adjustment		Unrealized Gain (Loss) on Investments		Accumulated Other Comprehensive Income (Loss)
Ending balance at December 31, 2019	$	(618)	$	36	$	(582)
Other comprehensive income (loss)	(303)		—		(303)
Ending balance at March 31, 2020	(921)		36		(885)
Other comprehensive income (loss)	109		(33)		76
Ending balance at June 30, 2020	$	(812)	$	3	$	(809)

Summary of potential common shares excluded from computations of net loss per share attributed to common stockholders

The following potentially dilutive common shares were excluded from the computations of diluted net loss per share for the periods presented because including them would have been anti-dilutive (in thousands):

	Six Months Ended June 30,
	2020	2019
Stock options, restricted stock units and performance awards	8,237	4,541
2019 Convertible Notes	18,966	—
2019 Convertible Notes potential make-whole shares	2,412	—
2014 Convertible Notes	19	916
Total	29,634	5,457