Exhibit 12.1
                                         
    For the period                          
    February 14, 2003                          
    (inception) through     For the year ended     For the year ended     For the year ended     For the nine months ended  
    December 31, 2003     December 31, 2004     December 31, 2005     December 31, 2006     September 30, 2007  
Net income (loss) from continuing operations
  $ (240,871 )   $ 1,529,253     $ 3,510,957     $ 3,357,031     $ 4,564,427  
 
                                       
Add fixed charges and preferred dividends
    7,830       25,565       2,494,245       11,490,476       11,216,687  
 
                             
 
                                       
Earnings
  $ (233,041 )   $ 1,554,818     $ 6,005,202     $ 14,847,507     $ 15,781,114  
 
                                       
Fixed Charges:
                                       
Interest expense
                2,187,586       8,041,412       7,627,353  
Amortization of deferred financing fees
                260,098       1,207,198       509,990  
Estimated interest component of rent
    7,830       25,565       46,561       54,976       9,032  
 
                             
 
                                       
Total fixed charges
    7,830       25,565       2,494,245       9,303,586       8,146,375  
 
                                       
Total preferred dividends
                      2,186,890       3,070,312  
 
                             
 
                                       
Total fixed charges and preferred dividends
    7,830       25,565       2,494,245       11,490,476       11,216,687  
 
                                       
Ratio of earnings to combined fixed charges and preferred dividends
     (1)     60.82       2.41       1.29       1.41  
 
(1)   Note for the period February 14, 2003 through December 31, 2003 earnings, as defined, were insufficient to cover fixed charges by $240,871.