|
Capital lease obligations (Details) (USD $)
|
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Future minimum lease payments under the capital leases | ||
| As of September 30, 2012 | $ 1,245,118 | |
| Less amount representing interest | (79,596) | |
| Total obligations under capital leases | 1,165,522 | |
| Less current portion of obligations under capital leases | (684,593) | (499,325) |
| Long-term obligations under capital leases | $ 480,929 | $ 509,628 |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of minimum lease payments for capital leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount necessary to reduce net minimum lease payments to present value for capital leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|