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Fair Value of Financial Instruments
9 Months Ended
Jan. 31, 2012
Fair Value of Financial Instruments [Abstract]  
Fair Value of Financial Instruments
Fair Value of Financial Instruments
 
The Company's material financial instruments consist of its cash and cash equivalents, certificates of deposit, accounts receivable, accounts payable and related party payables. The carrying amounts of the Company's financial instruments generally approximated their fair values at January 31, 2012 and April 30, 2011 due to the short-term maturity of the instruments.