Revenue (Tables)

3 Months Ended

Sep. 30, 2018

Schedule of Net Cumulative-effect Adjustment to Retained Earnings for the Adoption of ASC 606

The beginning net cumulative-effect adjustment to retained earnings for the adoption of ASC 606 is as follows:

	Balance at			AdjustmentDue to			Balance at
(Dollars in thousands)	June 30, 2018			ASC 606			July 1, 2018
Assets:
Account receivable, net	$	65,994		$	257		$	66,251
Deferred cost of revenue - current		1,141			(464	)		677
Prepaid expenses and other current assets		15,569			670			16,239
Other assets		11,576			5,840			17,416
Liabilities and Stockholders' Equity:
Other accrued liabilities		22,448			611			23,059
Deferred revenue - current		75,404			111			75,515
Long-term other liabilities		8,608			467			9,075
Accumulated deficit		(474,285	)		5,114			(469,171	)

Summary of Contract with Customer, Asset and Liability

Changes in the contract assets and contract liabilities are as follows:

	July1, 2018		September 30, 2018		Change
(Dollars in thousands)	Amount		Amount		$			%
Assets:
Unbilled accounts receivable - current (1)	$	3,218	$	11,105		7,887			71
Long Term Accounts Receivable (2)		6,833		4,189		(2,644	)		(63	)
Interest receivable - non-current (2)		611		701		90			13
Liabilities:
Customer advances		22,896		19,181		(3,715	)		(19	)
Deferred revenue - current		75,515		72,278		(3,237	)		(4	)
Deferred revenue - non-current		20,976		22,732		1,756			8

(1) Included in accounts receivable on consolidated balance sheets

(2) Included in other assets on consolidated balance sheets

Summary of Changes In Deferred Revenue From Contracts With Customers

Changes in deferred revenue from contracts with customers are as follows:

	Three Months Ended
(Dollars in thousands)	September 30, 2018
Balance at beginning of period	$	96,491
New billings		94,348
Recoginition of deferred revenue		(95,829	)
Balance at end of period	$	95,010

Schedule of Remaining Performance Obligations related to Warranty

      The following table represents the Company's remaining performance obligations related to long-term warranty and service as of September 30, 2018 and the estimated revenue expected to be recognized:

	Fiscal years of revenue recognition
(Dollars in thousands)	2019		2020		2021		Thereafter
Long-term warranty and service	$	22,411	$	21,862	$	12,939	$	9,255

ASC 606

Schedule of Net Cumulative-effect Adjustment to Retained Earnings for the Adoption of ASC 606

Select unaudited condensed consolidated balance sheets line items, which reflect the adoption of ASC 606 are as follows:

	September 30, 2018
(Dollars in thousands)	Balances Without Adoption			Adjustments			As Reported
Assets:
Account receivable, net	$	61,798		$	4,622		$	66,420
Deferred cost of revenue - current		11,300			(11,080	)		220
Prepaid expenses and other current assets		16,118			957			17,075
Other assets		8,711			6,038			14,749
Liabilities and Stockholders' Equity:
Other accrued liabilities		20,606			634			21,240
Deferred revenue - current		86,592			(14,314	)		72,278
Long-term other liabilities		9,186			704			9,890
Accumulated deficit		(491,890	)		13,513			(478,377	)

Schedule of Effect of Adoption of ASC 606 on Condensed Consolidated Statements of Operations and Comprehensive Loss

Select unaudited condensed consolidated statements of operations and comprehensive loss line items for the three months ended September 30, 2018, which reflect the adoption of ASC 606 are as follows:

	Three Months Ended September 30, 2018
(Dollars in thousands)	Balances Without Adoption			Adjustments			As Reported
Net revenue	$	77,114		$	18,715		$	95,829
Cost of goods sold		47,356			10,594			57,950
Other expense, net		4,071			(88	)		3,983
Research and development		13,921			(32	)		13,889
Selling and marketing		13,226			(190	)		13,036
General and administrative		15,685			(43	)		15,642
Provision for income taxes		460			75			535
Net income (loss)		(17,605	)		8,399			(9,206	)
Net income (loss) per share - Basic and Diluted	$	(0.21	)	$	0.10		$	(0.11	)