Cash, Cash Equivalents, Restricted Cash and Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2020

Cash Cash Equivalents And Short Term Investments [Abstract]

Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the condensed consolidated balance sheets that sum to the total of the same amounts shown in the condensed consolidated statements of cash flows (in thousands):

	March 31, 2020		December 31, 2019		March 31, 2019		December 31, 2018
Cash and cash equivalents	$	37,899	$	39,884	$	112,133	$	49,348
Restricted cash		212		216		615		619
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows	$	38,111	$	40,100	$	112,748	$	49,967

Summary of Cash, Cash Equivalents and Marketable Securities

Cash, cash equivalents and marketable securities consist of the following (in thousands):

	Amortized Cost		Unrealized Gains		Unrealized Losses			Estimated Fair Value
March 31, 2020
Cash and cash equivalents:
Cash	$	11,034	$	-	$	-		$	11,034
Money market funds		26,865		-		-			26,865
Total cash and cash equivalents		37,899		-		-			37,899
Marketable securities available-for-sale:
U.S. treasuries		6,511		86		-			6,597
U.S. government agency securities		49,439		253		-			49,692
Corporate debt securities		35,321		37		(13	)		35,345
Total marketable securities available-for-sale		91,271		376		(13	)		91,634
Total cash, cash equivalents and marketable securities	$	129,170	$	376	$	(13	)	$	129,533
December 31, 2019
Cash and cash equivalents:
Cash	$	4,038	$	-	$	-		$	4,038
Money market funds		27,854		-		-			27,854
Corporate debt securities		7,992		-		-			7,992
Total cash and cash equivalents		39,884		-		-			39,884
Marketable securities available-for-sale:
U.S. treasuries		6,511		6		-			6,517
U.S. government agency securities		51,235		50		(12	)		51,273
Corporate debt securities		53,353		28		-			53,381
Total marketable securities available-for-sale		111,099		84		(12	)		111,171
Total cash, cash equivalents and marketable securities	$	150,983	$	84	$	(12	)	$	151,055

Maturities of Marketable Securities Available-for-Sale

The maturities of our marketable securities available-for-sale are as follows (in thousands):

	March 31, 2020
	Amortized Cost		Estimated Fair Value
Mature in one year or less	$	79,250	$	79,547
Mature after one year through two years		12,021		12,087
	$	91,271	$	91,634