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Statute Of Limitations For Federal Tax Years Open

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The statute of limitations specifically for state and local tax years.

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit).

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The estimated lower bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Note 7 - Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2012
Note 7 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	$ 71,471
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	2,760
Unrecognized Tax Benefits	9,244	8,938	7,538
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	6,131
Unrecognized Tax Benefits, Period Increase (Decrease)	306
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	402	286
Income Tax Examination, Penalties and Interest Expense	116	37
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	2,661
2010 and Forward (Member)
Note 7 - Income Taxes (Details) [Line Items]
Statute of Limitations for Federal Tax Years Open	2010
2009 and Forward [Member]
Note 7 - Income Taxes (Details) [Line Items]
Statute of Limitations for State and Local Tax Years Open	2009
State Alternative Minimum Tax Credit Carryforwards [Member]
Note 7 - Income Taxes (Details) [Line Items]
Tax Credit Carryforward, Amount	$ 129