Note 8 - Cash, Cash Equivalents and Investments

9 Months Ended

Sep. 30, 2017

Notes to Financial Statements

Cash, Cash Equivalents, and Marketable Securities [Text Block]

8

. CASH, CASH EQUIVALENTS AND INVESTMENTS

The following is a summary of the Company

’s cash, cash equivalents and short-term and long-term investments (in thousands): 

	September 30,		December 31,
	2017		2016
Cash, cash equivalents and investments:
Cash	$	91,674	$	87,747
Money market funds		11,250		24,956
Corporate debt securities		180,551		109,644
U.S. treasuries and government agency bonds		16,123		45,877
Auction-rate securities backed by student-loan notes		5,368		5,354
Total	$	304,966	$	273,578

	September 30,		December 31,
	2017		2016
Reported as:
Cash and cash equivalents	$	104,424	$	112,703
Short-term investments		195,174		155,521
Long-term investments		5,368		5,354
Total	$	304,966	$	273,578

The contractual maturities of the Company

’s short-term and long-term available-for-sale investments are as follows (in thousands):

	September 30,		December 31,
	2017		2016
Due in less than 1 year	$	70,798	$	47,568
Due in 1 - 5 years		124,376		107,953
Due in greater than 5 years		5,368		5,354
Total	$	200,542	$	160,875

The following tables summarize the

unrealized gain and loss positions related to the Company’s available-for sale investments (in thousands): 

	September 30, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses			Total Fair Value		Fair Value of Investments in Unrealized Loss Position
Money market funds	$	11,250	$	-	$	-		$	11,250	$	-
Corporate debt securities		180,791		122		(362	)		180,551		122,780
U.S. treasuries and government agency bonds		16,139		-		(16	)		16,123		13,873
Auction-rate securities backed by student-loan notes		5,570		-		(202	)		5,368		5,368
Total	$	213,750	$	122	$	(580	)	$	213,292	$	142,021

	December 31, 2016
	Amortized Cost		Unrealized Gains		Unrealized Losses			Total Fair Value		Fair Value of Investments in Unrealized Loss Position
Money market funds	$	24,956	$	-	$	-		$	24,956	$	-
Corporate debt securities		110,429		65		(850	)		109,644		91,938
U.S. treasuries and government agency bonds		45,899		-		(22	)		45,877		39,275
Auction-rate securities backed by student-loan notes		5,570		-		(216	)		5,354		5,354
Total	$	186,854	$	65	$	(1,088	)	$	185,831	$	136,567