Cash, Cash Equivalents and Investments

6 Months Ended

Jun. 30, 2018

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 June 30, 2018 and December 31, 2017 (in thousands):



	As of June 30, 2018
			Gross		Gross
	Amortized		unrealized		unrealized		Fair
	Cost		gains		losses		Value
Cash and cash equivalents:
Cash and money market funds	$	16,438	$	—	$	—	$	16,438
Commercial paper		6,621		—		(1)		6,620
Total cash and cash equivalents		23,059		—		(1)		23,058
Investments:
Commercial paper		22,065		—		(3)		22,062
Corporate debt securities		4,375		—		(6)		4,369
US government & agency securities		14,008		—		(6)		14,002
Total investments		40,448		—		(15)		40,433
Total cash, cash equivalents and investments	$	63,507	$	—	$	(16)	$	63,491
Long-term restricted cash:
Cash	$	4,500	$	—	$	—	$	4,500


	As of December 31, 2017
			Gross		Gross
	Amortized		unrealized		unrealized		Fair
	Cost		gains		losses		Value
Cash and cash equivalents:
Cash and money market funds	$	14,858	$	—	$	—	$	14,858
Commercial paper		1,649		—		—		1,649
Total cash and cash equivalents		16,507		—		—		16,507
Investments:
Commercial paper		20,408		—		(14)		20,394
Corporate debt securities		9,043		—		(9)		9,034
US government & agency securities		16,946		—		(9)		16,937
Total investments		46,397		—		(32)		46,365
Total cash, cash equivalents and investments	$	62,904	$	—	$	(32)	$	62,872
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 June 30, 2018:



(in thousands)	Fair Value
Due in one year or less	$	47,053

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