Note 4 - Business Combinations (Details) (USD $)	3 Months Ended	12 Months Ended			0 Months Ended		1 Months Ended	0 Months Ended	1 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Dec. 29, 2013	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012	Jan. 14, 2014 Prior to Considering Impact on Deferred Tax Assets and Liabilities [Member] Stretch [Member]	Jul. 05, 2013 Prior to Considering Impact on Deferred Tax Assets and Liabilities [Member] Cadeka [Member]	Mar. 22, 2013 Prior to Considering Impact on Deferred Tax Assets and Liabilities [Member] Altior [Member]	Jul. 05, 2013 Potential Indemnity Claims [Member] Cadeka [Member]	Mar. 22, 2013 Potential Indemnity Claims [Member] Altior [Member]	Jan. 14, 2014 Stretch [Member]	Mar. 30, 2014 Stretch [Member]	Jul. 05, 2013 Cadeka [Member]	Mar. 30, 2014 Cadeka [Member]	Dec. 29, 2013 Cadeka [Member]	Mar. 30, 2014 Cadeka [Member]	Mar. 22, 2013 Altior [Member]	Mar. 31, 2013 Altior [Member]	Jan. 14, 2014 Minimum [Member] Stretch [Member]	Jul. 05, 2013 Minimum [Member] Cadeka [Member]	Mar. 22, 2013 Minimum [Member] Altior [Member]	Jan. 14, 2014 Maximum [Member] Stretch [Member]	Jul. 05, 2013 Maximum [Member] Cadeka [Member]	Mar. 22, 2013 Maximum [Member] Altior [Member]
Note 4 - Business Combinations (Details) [Line Items]
Payments to Acquire Businesses, Gross								$ (1,000,000)	$ (250,000)	$ 10,000		$ 25,000,000				$ 1,000,000
Acquired Intangible Assets Discount Rate																		17.00%	15.00%	12.00%	21.00%	23.00%	19.00%
Goodwill, Acquired During Period					700,000	12,400,000	7,200,000				700,000	19,200,000			19,400,000		7,200,000
Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Period (in years)										15 years						15 years
Business Combination, Acquisition Related Costs		1,880,000	110,000								500,000				400,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)								(15,000)				454,000				358,000
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable												5,200,000
Business Acquisition Potential Cash Payment												5,000,000				20,000,000			0	0		5,000,000	20,000,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned												5,177,000				3,740,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent												6,800,000
Income Tax Expense (Benefit)	$ (1,300,000)	$ (8,478,000)	$ (1,189,000)	$ 51,000									$ (170,000)	$ (6,800,000)	$ (6,800,000)