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OTHER INCOME	3 Months Ended
OTHER INCOME	May 31, 2011
Other Income [Abstract]
Interest and Other Income [Text Block]	7. OTHER INCOME : The $7,000 of other income reflected in the condensed statements of income for the quarter ended May 31, 2011, and the $5,000 of other income reflected in the condensed statements of income for the quarter ended May 31, 2010 consists entirely of interest income on investment in treasury bills net of changes in market value.