Deferred Revenues and Deferred Cost of Revenues	3 Months Ended
Deferred Revenues and Deferred Cost of Revenues	Jul. 31, 2013
Deferred Revenues and Deferred Cost of Revenues [Abstract]
Deferred Revenues and Deferred Cost of Revenues	Deferred Revenues and Deferred Cost of Revenues Deferred revenues of approximately $3.7 million as of July 31, 2013 represent prepayments for products and services related to lottery terminals, use of the OpenElect® and PBC voting systems and other software and technical support services. Deferred cost of revenues of $191,000 consists of the direct costs associated with lottery terminals, software support and manufacture of voting systems. The Company will recognize the revenues and related cost of revenues upon the fulfillment of the prescribed criteria for revenue recognition.

The entire disclosure for deferred revenues at the end of the reporting period, and description and amounts of significant changes that occurred during the reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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