Commitments and Contingencies (Future Minimum Lease Payments under Non-cancellable Operating Lease Aggreements) (Details) (USD $)	Dec. 31, 2012
COMMITMENTS AND CONTINGENCIES [Abstract]
Within 1 year	$ 1,210,094
Between 1 and 2 years	1,352,190
Between 2 and 3 years	440,649
Between 3 and 4 years	0
Total	$ 3,002,933

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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- Definition

Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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