Stockholders' Deficit

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Stockholders' Deficit

Stockholders’ Deficit

Changes in Stockholders' Equity

The changes in stockholders' equity for the three-month period ended March 31, 2016 were as follows:

				Additional			Accumulated Other
	Common Stock			Paid-in			Comprehensive			Accumulated			Stockholders’
In thousands, except share data	Shares	Amount		Capital			Income (Loss)			Deficit			Equity
Balance, January 1, 2016	189,662,148	$	190	$	1,338,585		$	3,835		$	(1,445,751	)	$	(103,141	)
Issuance of shares pursuant to ARIAD stock plans	1,397,992	1		776			—			—			777
Stock-based compensation	—	—		6,719			—			—			6,719
Payments of tax withholding obligations related to stock compensation	—	—		(617		)	—			—			(617		)
Other comprehensive loss	—	—		—			(3,963		)	—			(3,963		)
Net Loss	—	—		—			—			(53,787		)	(53,787		)
Balance, March 31, 2016	191,060,140	$	191	$	1,345,463		$	(128	)	$	(1,499,538	)	$	(154,012	)