Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Information (unaudited) (Details)

v2.4.0.6
Quarterly Financial Information (unaudited) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Quarterly Financial Information [Abstract]                      
Operating revenues $ 13,790 $ 12,970 $ 12,410 $ 12,100 $ 11,468 $ 11,173 $ 10,816 $ 10,519 $ 51,270 $ 43,976 $ 41,928
Operating expenses 6,971 6,100 6,027 5,797 5,895 5,183 5,255 4,937 24,895 21,270 23,414
Other expense (6,205) (5,878) (5,529) (5,002) (4,457) (4,242) (4,191) (4,102) (22,614) (16,992) (13,586)
Net Income 614 992 854 1,301 1,116 1,748 1,370 1,480 3,761 5,714 4,928
Dividends attributable to preferred and senior common stock (1,065) (1,053) (1,046) (1,042) (1,040) (1,039) (1,039) (1,038) (4,206) (4,156) (4,114)
Net (loss) income available to common stockholders $ (451) $ (61) $ (192) $ 259 $ 76 $ 709 $ 331 $ 442 $ (445) $ 1,558 $ 814
Net (loss) income available to common stockholders - basic & diluted $ (0.04) $ (0.01) $ (0.02) $ 0.02 $ 0.01 $ 0.06 $ 0.03 $ 0.05 $ (0.04) $ 0.15 $ 0.09
Weighted average shares outstanding - basic 10,976,992 10,945,379 10,945,379 10,945,379 10,945,379 10,935,922 9,782,368 9,258,018 10,953,325 10,236,859 [1] 8,576,303
Weighted average shares outstanding - diluted 10,976,992 10,945,379 10,945,379 11,006,597 10,997,231 10,987,601 9,834,047 9,309,697 10,953,325 10,288,711 8,601,153
[1] Refer to Note 2 "Related-Party Transactions"