Note 7 Goodwill and Intangible Assets (Narratives) (Details) (USD $)	12 Months Ended		0 Months Ended	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 27, 2013	Jun. 30, 2014	Mar. 31, 2013
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Future Amortization Expense, Year One	$ 4,700,000
Future Amortization Expense, Year Two	2,700,000
Future Amortization Expense, Year Three	2,400,000
Future Amortization Expense, Year Four	596,000
Business Acquisition [Line Items]
Goodwill, Acquired in Acquisition During Period	2,781,000	25,164,000
Goodwill, Impaired, Accumulated Impairment Losses	(13,192,000)	(13,192,000)			(13,192,000)
MCU Business [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition			Jun. 27, 2013
Goodwill, Acquired in Acquisition During Period			25,164,000
Other Acquisition [Member]
Business Acquisition [Line Items]
Goodwill, Acquired in Acquisition During Period				$ 2,800,000