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Financial Instruments	6 Months Ended
Financial Instruments	Aug. 31, 2015
Investments, All Other Investments [Abstract]
Financial Instruments	Financial Instruments Except for cash (the estimated fair value of which equals its carrying value), shares of ERI's common stock carried at estimated fair value, the note receivable from Mesquite (which management believes approximates its fair value based on current market conditions for instruments with similar collateral, interest rates, and maturity dates), and the investment in Mesquite which is accounted for using the equity method (for which estimated fair value disclosure is not required by GAAP), the only other financial instruments of the Company are amounts due to/from the Newport Funds. As there are no formal repayment terms, it is not practical to estimate the fair value of such financial instruments.