17. CAPITAL LEASE OBLIGATION (Detail) - Minimum future lease payments under capital leases (USD $)	Mar. 31, 2013	Dec. 31, 2012
US$
2013	$ 161,012
2014	161,012
2015	161,012
Total minimum lease payments at March 31, 2013	483,036
Less amount representing interest	(41,307)
Net present value of minimum lease payments	441,729
Current portion of capital lease obligation	(139,973)	(137,722)
Non-current portion of capital lease obligation	$ 301,756	$ 296,856

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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- Definition

Amount necessary to reduce net minimum lease payments to present value for capital leases.

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