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Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

The following table sets forth the components of the Company’s cash, cash equivalents, and restricted cash as reported in the Condensed Consolidated Statement of Cash Flows for the nine month periods ended September 30, 2019 and 2018 (in thousands):



Cash, Cash Equivalents, and Restricted Cash	Nine Months Ended September 30,
	2019		2018
Cash and cash equivalents	$	205,542	$	275,346
Restricted cash	799		803
Total cash, cash equivalents, and restricted cash	$	206,341	$	276,149

Restrictions on Cash and Cash Equivalents



Cash, Cash Equivalents, and Restricted Cash	Nine Months Ended September 30,
	2019		2018
Cash and cash equivalents	$	205,542	$	275,346
Restricted cash	799		803
Total cash, cash equivalents, and restricted cash	$	206,341	$	276,149

Basis Used to Measure the Fair Value of Financial Instruments

The following table summarizes the basis used to measure the fair values of the Company’s financial instruments (amounts in thousands):



			Fair Value Measurements at Reporting Date, Using:
Description	September 30, 2019		Quoted Prices in Active Markets for Identical Items (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash and cash equivalents	$	205,542	$	205,542	$	—	$	—
Nicox stock with lockup provisions	16		—		—		16
Total assets	$	205,558	$	205,542	$	—	$	16



Description	December 31, 2018		Quoted Prices in Active Markets for Identical Items (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash and cash equivalents	$	224,868	$	224,868	$	—	$	—
Nicox stock with lockup provisions	18		—		—		18
Total assets	$	224,886	$	224,868	$	—	$	18