Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2018

ASU 2014-09

Impact of Topic 606 Adoption on Financial Statements

Refer below for a summary of the amount by which each financial statement line item was affected by the impact of the cumulative adjustment:

($ in thousands)	Impact of Topic 606 Adoption on the Balance Sheet as of January 1, 2018
Description	As reported under Topic 606			Adjustments			Balances without adoption of Topic 606
Contract liability, current portion	$	622		$	(5,767	)	$	6,389
Contract liability, net of current portion	$	49,037		$	13,898		$	35,139
Accumulated deficit	$	(720,573	)	$	(8,131	)	$	(712,442	)

The amount by which each financial statement line item is affected in the current reporting period by Topic 606 as compared with the guidance that was in effect prior to adoption is disclosed below.

($ in thousands)	Impact of Topic 606 Adoption on the Balance Sheet as of March 31, 2018
Description	As reported under Topic 606			Adjustments			Balances without adoption of Topic 606
Contract liability, current portion	$	476		$	(5,913	)	$	6,389
Contract liability, net of current portion	$	49,037		$	15,495		$	33,542
Accumulated deficit	$	(736,593	)	$	9,582		$	(746,175	)

($ in thousands)	Impact of Topic 606 Adoption on the Statement of Operations for the Three Months Ended March 31, 2018
Description	As reported under Topic 606			Adjustments			Balances without adoption of Topic 606
Collaboration revenue	$	146		$	(1,451	)	$	1,597
Net loss applicable to common shareholders	$	(21,140	)	$	(1,451	)	$	(19,689	)
Basic and diluted net loss per share	$	(0.15	)	$	(0.01	)	$	(0.14	)

($ in thousands)	Impact of Topic 606 Adoption on the Statement of Cash Flows for the Three Months Ended March 31, 2018
Description	As reported under Topic 606			Adjustments			Balances without adoption of Topic 606
Net loss applicable to common shareholders	$	(21,140	)	$	(1,451	)	$	(19,689	)
Changes in contract liability	$	(146	)	$	1,451		$	(1,597	)