Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Oil and natural gas properties and equipment - full cost method, amount excluded from amortization $ 123,503 $ 154,516
Preferred stock, par value $ 0.00001 $ 0.00001
Preferred stock, shares authorized 20,000,000 2,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.00001 $ 0.00001
Common stock, shares authorized 118,330,000 118,330,000
Common stock, shares issued 78,118,803 77,220,706
Common stock, shares outstanding 75,249,630 74,351,533