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Note 6 Accrued Expenses and Other Current Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Mar. 31, 2012
Accrued Expenses and Other Current Liabilities [Abstract]    
Uninvoiced Goods and Services $ 9,865 $ 11,869
Compensation and Benefits 6,884 7,214
Restructuring Accrual 131 199
Commission, Royalties and Other 2,679 2,741
Accrued Liabilities Current, Total $ 19,559 $ 22,023