Note 14 - Accounting for Uncertainty in Income Taxes (Details) (USD $)	12 Months Ended
	Mar. 31, 2014
Note 14 - Accounting for Uncertainty in Income Taxes (Details) [Line Items]
Unrecognized Tax Benefits	$ 12,880,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	2,291,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	4,200,000
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	2,330,000
Unrecognized Tax Benefits, Period Increase (Decrease)	557,000
Deferred Tax Assets [Member]
Note 14 - Accounting for Uncertainty in Income Taxes (Details) [Line Items]
Unrecognized Tax Benefits	8,680,000
Permanent Differences [Member]
Note 14 - Accounting for Uncertainty in Income Taxes (Details) [Line Items]
Unrecognized Tax Benefits	4,200,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	2,010,000
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	940,000
Temporary Difference [Member]
Note 14 - Accounting for Uncertainty in Income Taxes (Details) [Line Items]
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	$ 1,390,000