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Derivative Instruments and Hedging Activities
9 Months Ended
Nov. 30, 2013
Derivative Instruments and Hedging Activities:  
Derivative Instruments and Hedging Activities Disclosure

Derivative instruments consist of common stock warrants and certain instruments embedded in certain notes payable and related agreements. These financial instruments are recorded in the balance sheets at fair value as liabilities. Changes in fair value are recognized in earnings in the period of change.