Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Schedule of Cash as Reported in Condensed Consolidated Statements of Cash Flows

Cash as reported in the condensed consolidated statements of cash flows consists of the following (in thousands):

	March 31, 2019		December 31, 2018
Cash and cash equivalents	$	226,793	$	138,951
Restricted cash (SRX Cardio)		29		30
Restricted cash for royalty payments to HealthCare Royalty Partners and its affiliates ("HCR")		1,499		1,032
Total cash balance in condensed consolidated statements of cash flows	$	228,321	$	140,013