Commitment and Contingencies (Details 1) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Capital Lease Obligations
2013	$ 2,692,284
2014	2,034,862
2015	629,624
2016	440,403
2017	147,650
Total future minimum lease payments	5,944,823
Less amount representing interest	(635,946)
Present value of future minimum lease payments	5,308,877
Less current maturities	2,212,000	2,107,000
Obligations under capital leases-long term	$ 3,097,000	$ 2,608,000

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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