Note 3 - Summarized Results From Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Mar. 27, 2016
Net sales	$ 13,522	$ 12,239
Cost of sales	7,702	5,825
Amortization of purchased intangible assets	1,245	1,855
Total cost of sales	8,947	7,680
Gross profit	4,575	4,559
Research and development	1,685	1,881
Selling, general and administrative	1,397	1,946
Total operating expenses, net	3,082	3,827
Interest income and other, net	(3)	(4)
Income (loss) before income taxes	1,496	736
Provision for income taxes	99	892
Net income (loss) from discontinued operations	1,397	$ (156)
Accounts receivables, net	14,162		$ 13,427
Inventories	7,915		7,944
Deferred income taxes and other assets	118		248
Property, plant and equipment, net	95		88
Goodwill	13,258		13,258
Identifiable intangible assets, net	57,140		58,946
Total assets	92,688		93,911
Accounts payable	1,127		2,024
Accrued liabilities	1,307		1,422
Deferred income taxes and other liabilities	45		24
Total liabilities	$ 2,479		$ 3,470