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23. Leases
12 Months Ended
Dec. 31, 2012
Debt Disclosure [Abstract]  
Leases

We are currently under a ten-year lease agreement that expires in 2017 for office space in downtown Houston, Texas. The Houston office serves as our company headquarters. Rent expenses for the office lease provides for periodic rent escalations or rent holidays over the term of the lease, which is recognized on a straight-line basis. Rent expense for the office lease was as follows:

 

Years Ended      
December 31,      
       
2012   $ 107,609  
2011   $ 110,313  

 

The following is a schedule of future minimum lease payments under the lease exceeding one year at December 31, 2012:

 

Years Ending December 31,   Future Minimum Lease Payments  
       
2013     112,206  
2014     113,558  
2015     113,558  
2016     113,558  
2017     47,316  
    $ 500,196