Impact of Adoption

As a result of adopting ASC 606 on January 1, 2018, the Company has revised its comparative financial statements for the prior year as if ASC 606 had been effective for that period. As a result, the following financial statement line items for fiscal year 2017 were affected.

Condensed Consolidated Balance Sheets
	As of December 31, 2017
	As revised under ASC 606			As originally reported under ASC 605			Effect of change
	(in thousands)
Current portion of deferred revenue	$	1,275		$	2,705		$	(1,430	)
Deferred revenue, net of current portion		7,241			5,607			1,634
Accumulated deficit		(192,716	)		(192,512	)		(204	)

Condensed Consolidated Statements of Operations and Comprehensive Loss
	Three Months Ended September 30, 2017
	As revised under ASC 606			As originally reported under ASC 605			Effect of change
	(in thousands, except per share data)
Revenue	$	1,315		$	676		$	639
Loss from operations		(26,353	)		(26,992	)		639
Income tax benefit (provision)		418			416			2
Net loss		(25,494	)		(26,135	)		641
Net loss per share attributable to ordinary shareholders—basic and diluted	$	(0.92	)	$	(0.94	)	$	0.02

	Nine Months Ended September 30, 2017
	As revised under ASC 606			As originally reported under ASC 605			Effect of change
	(in thousands, except per share data)
Revenue	$	2,795		$	2,028		$	767
Loss from operations	$	(71,233	)		(72,000	)		767
Income tax benefit (provision)		(1,035	)		(905	)		(130	)
Net loss		(71,187	)		(71,824	)		637
Net loss per share attributable to ordinary shareholders—basic and diluted	$	(2.73	)	$	(2.75	)	$	0.02

Condensed Consolidated Statement of Cash Flows
	Nine Months Ended September 30, 2017
	As revised under ASC 606			As originally reported under ASC 605			Effect of change
	(in thousands)
Net loss	$	(71,187	)	$	(71,824	)	$	637
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Deferred income taxes		904			774			130
Changes in operating assets and liabilities:
Deferred revenue		(2,795	)		(2,028	)		(767	)
Net cash provided by (used in) operating activities		(60,917	)		(60,917	)		—
Cash, cash equivalents and restricted cash, beginning of period		153,894			153,894			—
Cash, cash equivalents and restricted cash, end of period		172,072			172,072			—