SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2015

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of available-for-sale securities

Available-for-sale securities at June 30, 2015 consisted of the following:

	June 30, 2015
			Gains in Accumulated		Losses in Accumulated
			Other Comprehensive		Other Comprehensive		Estimated Fair
(In thousands)	Amortized Cost		Income		Income		Value
Corporate bonds	$	120,096	$	28	$	(22)	$	120,102
U.S. government agency securities		4,249		—		(1)		4,248
Asset backed securities		48,687		26		(10)		48,703
Commercial paper		4,000		—		—		4,000
Total available-for-sale securities	$	177,032	$	54	$	(33)	$	177,053

Available-for-sale securities at December 31, 2014 consisted of the following:

	December 31, 2014
			Gains in Accumulated		Losses in Accumulated
			Other Comprehensive		Other Comprehensive		Estimated Fair
(In thousands)	Amortized Cost		Income		Income		Value
Corporate bonds	$	141,239	$	21	$	(136)	$	141,124
U.S. government agency securities		18,687		8		(7)		18,688
Certificates of deposit		60,821		17		(18)		60,820
Commercial paper		3,993		—		—		3,993
Total available-for-sale securities	$	224,740	$	46	$	(161)	$	224,625

Schedule of amounts recognized in accumulated other comprehensive income (AOCI)

The amounts recognized in accumulated other comprehensive income (loss) (AOCI) for the six months ended June 30, 2015 were as follows (in thousands):

					Accumulated
	Cumulative		Unrealized		Other
	Translation		Gain (Loss)		Comprehensive
	Adjustment		on Securities		Income (Loss)
Balance at December 31, 2014	$	—	$	(115)	$	(115)
Other comprehensive (loss) income before reclassifications		(32)		142		110
Amounts reclassified from accumulated other comprehensive loss		—		(6)		(6)
Net current period change in accumulated other comprehensive income (loss)		(32)		136		104
Balance at June 30, 2015	$	(32)	$	21	$	(11)

The amounts recognized in AOCI for the six months ended June 30, 2014 were as follows (in thousands):

					Accumulated
	Cumulative		Unrealized		Other
	Translation		Gain(Loss)		Comprehensive
	Adjustment		on Securities		Income (Loss)
Balance at December 31, 2013	$	—	$	125	$	125
Other comprehensive (loss) income before reclassifications		—		(24)		(24)
Amounts reclassified from accumulated other comprehensive loss		—		(12)		(12)
Net current period change in accumulated other comprehensive income (loss)		—		(36)		(36)
Balance at June 30, 2014	$	—	$	89	$	89

Schedule of amounts reclassified from accumulated other comprehensive income

Amounts reclassified from accumulated other comprehensive income (loss) for the six months ended June 30, 2015 were as follows (in thousands):

	Affected Line Item in the	Six Months Ended June 30,
Details about AOCI  Components	Statement of Operations	2015		2014
Change in value of available-for-sale investments
Sales and maturities of available-for-sale investments	Investment income	$	(6)	$	(12)
Total reclassifications		$	(6)	$	(12)

Schedule of estimated useful lives of fixed assets

	Estimated
Asset Classification	Useful Life
Laboratory equipment	3-  5years
Computer equipment and computer software	3years
Leasehold improvements	Lesser of the remaining lease term or useful life
Furniture and fixtures	3years

Schedule of potentially issuable common shares not included in the computation of diluted net loss per share because they would have an anti-dilutive effect

	June 30,
	2015	2014
Shares issuable upon exercise of stock options	5,144	6,221
Shares issuable upon exercise of outstanding warrants(1)	—	75
Shares issuable upon the release of restricted stock awards	2,277	1,546
Shares issuable upon the vesting of restricted stock awards related to licensing agreement	—	24
	7,421	7,866

(1) At June 30, 2014, represents warrants to purchase 75,000 shares of common stock issued under a consulting agreement.

Schedule of inventory

Inventory consist of the following (amount in thousands):

	June 30,		December 31,
	2015		2014
Raw Materials	$	1,072	$	1,019
Semi-finished and finished goods		5,203		2,998
Total inventory	$	6,275	$	4,017