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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013
Commitments and Contingencies (Textual) [Abstract]
Commitments to purchase inventory	$ 1.5
Purchase commitments inventory expire year	2014

Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

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