Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jul. 03, 2016	Jun. 28, 2015
Cash flows from operating activities:
Net income (loss)	$ 8,940	$ (2,510)
Income (loss) from discontinued operations	1,397	(156)
Income (loss) from continuing operations	7,543	(2,354)
Adjustments to reconcile income from continuing operations to net cash flows from operating activities:
Depreciation and amortization	2,104	2,381
Gain on sale of land and building under sale-leaseback arrangement	(9,300)
Amortization of deferred gain on sale-leaseback arrangement	(199)
Stock-based compensation expense	1,103	1,722
Impairment of design tools	1,519
Changes in operating assets and liabilities:
Accounts receivable	654	3,641
Inventories	(1,297)	(518)
Prepaid expenses, other current assets and other assets	(6)	(862)
Accounts payable	40	2,459
Accrued compensation and related benefits	(711)	(185)
Deferred income	1,362	(2,808)
Other current and non-current liabilities	(245)	(1,284)
Net cash provided by operating activities - continuing operations	2,567	2,192
Net cash provided by (used in) operating activities - discontinued operations	1,577	(630)
Net cash provided by operating activities	4,144	1,562
Cash flows from investing activities:
Purchases of property, plant and equipment and intellectual property, net	(125)	(105)
Sale of land and building under sale-leaseback arrangement	24,051
Net cash provided by (used in) investing activities - continuing operations	23,926	(105)
Net cash provided by investing activities - discontinued operations
Net cash provided by (used in) investing activities	23,926	(105)
Cash flows from financing activities:
Proceeds from issuance of common stock	2,673	966
Purchase of stock for withholding taxes on vested restricted stock	(84)	(1,083)
Cash settlement of equity award		(354)
Payments of lease financing obligations	(453)	(459)
Net cash provided by (used in) financing activities - continuing operations	2,136	(930)
Net cash provided by financing activities - discontinued operations
Net cash provided by (used in) financing activities	2,136	(930)
Net increase in cash and cash equivalents	30,206	527
Cash and cash equivalents at the beginning of the period	55,070	55,233
Cash and cash equivalents at the end of the period	$ 85,276	$ 55,760