Deferred Revenues	3 Months Ended
Deferred Revenues	Jul. 31, 2011
Deferred Revenues [Abstract]
Deferred Revenues	Deferred Revenues and Deferred Cost of Revenues Deferred revenues of approximately $1.5 million as of July 31, 2011 represent prepayments for products and services which were related to the use of the OpenElect® and PBC voting systems, and other software and technical support services. Deferred cost of revenues of approximately $75,000 as of July 31, 2011 consists of costs associated with the use of the OpenElect® voting systems, and other software and technical support services for which revenues have been deferred. The Company will recognize the revenues and related cost of revenues upon its fulfillment of the prescribed criteria for revenue recognition. Certain amounts included in the costs and earnings in excess of billings on uncompleted contracts and billings in excess of costs and estimated earnings on uncompleted contracts as of April 30, 2011 and July 31, 2010 have been reclassified to deferred cost of revenue to conform with the current presentation.

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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