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Other Income	9 Months Ended
Other Income	Nov. 30, 2012
Other Income [Abstract]
OTHER INCOME:	7. OTHER INCOME: The $230,000 of other income reflected in the condensed statements of income for the quarter ended November 30, 2012 consists of $215,000 of income from cancellation of debt plus $11,000 of interest income on investment in treasury bills net of changes in market value plus $4,000 of income from federal tax adjustments. The $8,000 of other income reflected in the condensed statements of income for the quarter ended November 30, 2011 consists entirely of gain on disposal of assets.