Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Consolidated Balance Sheets [Abstract]    
Capitalized costs of oil and natural gas properties excluded from amortization $ 138,623,000 $ 16,778,000
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred Stock, Dividend Rate, Percentage 12.00% 12.00%
12% cumulative preferred stock, shares authorized 30,000 30,000
Preferred stock Series A, issued 0 0
Preferred stock Series A, outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 55,621,371 44,645,435
Common stock, shares outstanding 55,621,371 44,645,435