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Fair Value Measurement	3 Months Ended
Fair Value Measurement	Jun. 30, 2011
Fair Value Measurement [Abstract]
Fair Value of Financial Instruments, Policy [Policy Text Block]	Fair Value Measurement The carrying value of the Company’s financial instruments, consisting principally of cash and cash equivalents, receivables, accounts payable and borrowings approximate fair value due to either the short-term maturity of the instruments or borrowings with similar interest rates and maturities.