Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

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

Cash as reported in these Condensed Consolidated Statements of Cash Flows consists of the following (in thousands):

	March 31, 2020		December 31, 2019		March 31, 2019		December 31, 2018
Cash and cash equivalents	$	196,235	$	215,229	$	226,793	$	138,951
Restricted cash (SRX Cardio)	—		—		29		30
Restricted cash for royalty payments to HCR	4,266		3,375		1,499		1,032
Restricted cash for office leases in Europe	54		46		—		—
Total cash balance in Condensed Consolidated Statements of Cash Flows	$	200,555	$	218,650	$	228,321	$	140,013