CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

9 Months Ended

Sep. 30, 2016

Cash And Cash Equivalents [Abstract]

CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

5. CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

It is the Company’s policy to mitigate credit risk in its financial assets by maintaining a well-diversified portfolio that limits the amount of exposure as to maturity and investment type. As of September 30, 2016, the Company did not hold any available-for-sale securities. The weighted average maturity of the Company’s available-for-sale securities as of December 31, 2015 was approximately four months.

The following tables summarize the Company’s cash, cash equivalents and short-term investments for each of the periods indicated; as of September 30, 2016, there were no short-term investments.

	As of December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Market Value
	(in thousands)
Cash and money market funds	$	75,304	$	—	$	—		$	75,304
Commercial paper		48,936		—		(37	)		48,899
Government and government agency bonds		50,966		—		(48	)		50,918
Corporate bonds		17,396		—		(26	)		17,370
Total assets	$	192,602	$	—	$	(111	)	$	192,491
As reported:
Cash and cash equivalents	$	80,304	$	—	$	—		$	80,304
Short-term investments		112,298		—		(111	)		112,187
Total assets	$	192,602	$	—	$	(111	)	$	192,491