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Provision for Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2015 | Apr. 30, 2014
Provision for Income Taxes, Current, Federal | $ 0 | $ 0
Provision for Income Taxes, Current, State | 3 | 5
Provision for Income Taxes, Current, Foriegn | 124 | 12
Provision for Income Taxes, Current, Total | 127 | 17
Provision for Income Taxes, Deferred, Federal | (25,948) | (2,015)
Provision for Income Taxes, Deferred, State | (1,771) | (148)
Provision for Income Taxes, Deferred, Foreign | 8 | 0
Provision for Income Taxes, Deferred, Total | (27,711) | (2,163)
Provision for Income Taxes, Change in valuation allowance, Federal | 25,948 | 2,015
Provision for Income Taxes, Change in valuation allowance, State | 1,771 | 148
Provision for Income Taxes, Change in valuation allowance, Foreign | (8) | 0
Provision for Income Taxes, Change in valuation allowance, Total | 27,711 | 2,163
Provision for Income Taxes, Total, Federal | 0 | 0
Provision for Income Taxes, Total, State | 3 | 5
Provision for Income Taxes, Total, Foreign | 124 | 12
Provision for Income Taxes, Total | $ 127 | $ 17

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