Note 8 Goodwill and Intangible Assets (Finite-Lived Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 38,087	$ 38,087
Accumulated Amortization	26,285	21,740
Net Intangible Assets	11,802us-gaap_FiniteLivedIntangibleAssetsNet	16,347us-gaap_FiniteLivedIntangibleAssetsNet
Developed Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	16,304	16,304
Accumulated Amortization	7,309	4,984
Net Intangible Assets	8,995	11,320
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	13,020	13,020
Accumulated Amortization	10,714	8,695
Net Intangible Assets	2,306	4,325
Contract Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	7,155	7,155
Accumulated Amortization	7,155	7,155
Net Intangible Assets	0	0
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	1,608	1,608
Accumulated Amortization	1,107	906
Net Intangible Assets	$ 501	$ 702

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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