Note 3 - Business Combinations (Details) - Allocation of the Purchase Price to Tangible and Intangible Assets Acquired and Liabilities Assumed in the Acquisition of Stretch, Inc. (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Jan. 14, 2014	Dec. 28, 2014	Mar. 30, 2014	Mar. 31, 2013
Note 3 - Business Combinations (Details) - Allocation of the Purchase Price to Tangible and Intangible Assets Acquired and Liabilities Assumed in the Acquisition of Stretch, Inc. [Line Items]
Goodwill		$ 44,871	$ 30,410	$ 10,356
Stretch, Inc. [Member]
Note 3 - Business Combinations (Details) - Allocation of the Purchase Price to Tangible and Intangible Assets Acquired and Liabilities Assumed in the Acquisition of Stretch, Inc. [Line Items]
Tangible assets	2,937
Intangible assets	7,010
Goodwill	667
Liabilities assumed	(10,604)
Fair value of total consideration transferred	$ 10