Note 3 - Business Combinations (Details) - Summary of Consideration Paid (USD $)	0 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended
	Jul. 05, 2013 Cadeka [Member]	Dec. 29, 2013 Cadeka [Member]	Mar. 22, 2013 Altior [Member]	Dec. 29, 2013 Altior [Member]
Note 3 - Business Combinations (Details) - Summary of Consideration Paid [Line Items]
Cash	$ 25,000,000	$ 25,000,000	$ 1,000,000	$ 1,000,000
Equity instruments	5,200,000	5,177,000	3,700,000	3,740,000
Estimated Fair value of earn-out payments		4,660,000		10,138,000
Total consideration paid		$ 34,837,000		$ 14,878,000