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Operations	3 Months Ended
	Dec. 31, 2011
Operations [Abstract]
Operations	1. OPERATIONS LRAD Corporation, a Delaware corporation (the "Company"), is engaged in the design, development and commercialization of directed sound technologies and products. The principal markets for the Company's proprietary sound reproduction technologies and products are in North America, Europe, Middle East and Asia.

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- Definition

The entire disclosure for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings).

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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