Leased Equipment under Capital Leases (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Leased Equipment under Capital Leases [Abstract]
Lease equipment under capital leases	$ 175,793	$ 84,650
Less: payments under capital lease obligations	14,813	16,116
Leased equipment under capital leases, net	$ 160,980	$ 68,534
Capital leases effective interest rate, minimum	6.78%
Capital leases effective interest rate, maximum	12.34%

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.

+ References+ Details