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Principles of Consolidation	3 Months Ended
Principles of Consolidation	Jul. 31, 2012
Principles of Consolidation [Abstract]
Principles of Consolidation	Principles of Consolidation The accompanying condensed consolidated financial statements include the accounts of ILTS and its wholly-owned subsidiary, Unisyn Voting Solutions, Inc. All significant intercompany accounts and transactions are eliminated in consolidation.