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Prepaid Expenses and Other Current Assets	12 Months Ended
Prepaid Expenses and Other Current Assets	Apr. 30, 2013
Prepaid Expenses and Other Current Assets [Abstract]
Prepaid Expenses and Other Current Assets	Note 3. Prepaid Expenses and Other Current Assets Prepaid expenses consist primarily of prepaid software subscriptions, insurance, and rent. Other current assets consist primarily of taxes receivable, contracts in process, and current deposits. Prepaid expenses and other current assets at April 30, 2013 consisted of prepaid expenses of $0.8 million and other current assets of $0.4 million. Prepaid expenses and other current assets at April 30, 2012 consisted of prepaid expenses of $1.1 million and other current assets of $0.7 million.