Cash, Cash Equivalents and Investments

3 Months Ended

Mar. 31, 2019

Cash, Cash Equivalents and Investments [Abstract]

NOTE 3. CASH, CASH EQUIVALENTS AND INVESTMENTS

The following tables summarize our cash, cash equivalents and investments as of March 31, 2019 and December 31, 2018 (in thousands):



	As of March 31, 2019
			Gross		Gross
	Amortized		unrealized		unrealized		Fair
	Cost		gains		losses		Value
Cash and cash equivalents:
Cash and money market funds	$	29,329	$	—	$	—	$	29,329
Commercial paper		8,877		—		(1)		8,876
Total cash and cash equivalents		38,206		—		(1)		38,205
Investments:
Commercial paper		31,309		1		(4)		31,306
Corporate debt securities		6,970		10		(1)		6,979
US government & agency securities		6,381		1		—		6,382
Total investments		44,660		12		(5)		44,667
Total cash, cash equivalents and investments	$	82,866	$	12	$	(6)	$	82,872
Long-term restricted cash:
Cash	$	4,500	$	—	$	—	$	4,500


	As of December 31, 2018
			Gross		Gross
	Amortized		unrealized		unrealized		Fair
	Cost		gains		losses		Value
Cash and cash equivalents:
Cash and money market funds	$	18,844	$	—	$	—	$	18,844
Commercial paper		—		—		—		—
Total cash and cash equivalents		18,844		—		—		18,844
Investments:
Commercial paper		53,493		—		(24)		53,469
Corporate debt securities		10,223		3		(12)		10,214
US government & agency securities		19,830		—		(3)		19,827
Total investments		83,546		3		(39)		83,510
Total cash, cash equivalents and investments	$	102,390	$	3	$	(39)	$	102,354
Long-term restricted cash:
Cash	$	4,500	$	—	$	—	$	4,500

The following table summarizes the contractual maturities of our cash equivalents and available-for-sale investments, excluding money market funds, as of March 31, 2019:



(in thousands)	Fair Value
Due in one year or less	$	53,543
Total investments	$	53,543

Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without call or prepayment penalties.