Note 18 Commitments and Contingencies (Narratives) (Details) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Jun. 27, 2013 MCU Business [Member] N	Mar. 31, 2014 MCU Business [Member]	Mar. 31, 2014 Bank of West Amended and Restated Credit Agreement December 6 2013 [Member]
Commitments and Contingencies [Abstract]
Capital Leases Expiration Year	fiscal 2016
Capital Leases Interest Rate, Minimum	3.60%
Capital Leases Interest Rate, Maximum	5.40%
Operating Leases Expiration Year	fiscal 2023
Operating Leases, Rent Expense, Net	$ 1,400,000	$ 1,300,000	$ 1,700,000
Restricted Cash	337,000	314,000
Line of Credit Facility [Line Items]
Line of Credit Facility, Initiation Date						Dec. 06, 2013
Line of Credit Facility, Expiration Date						Nov. 30, 2015
Line of Credit Facility, Amount Outstanding						15,000,000
Line of Credit Facility, Maximum Borrowing Capacity						50,000,000
Available Credit Line for Letter of Credit						3,000,000
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Deferred Payments, Total				30,000,000
Business Acquisition, Cost of Acquired Entity, Deferred Payments, Number of Installment Payments				2
Business Acquisition, Cost of Acquired Entity, Deferred Payments, Each Installment				$ 15,000,000
Business Acquisition, Cost of Acquired Entity, Due Date of First Installment Payment					Jun. 27, 2014
Business Acquisition, Cost of Acquired Entity, Due Date of Second Installment Payment					Dec. 31, 2014