Quarterly report pursuant to Section 13 or 15(d)

财产及设备 (Narrative) (Details)

v2.4.0.6
财产及设备 (Narrative) (Details) (USD $)
3个月结束 9月结束
9月. 30, 2012
9月. 30, 2011
9月. 30, 2012
9月. 30, 2011
12月. 31, 2011
10月. 24, 2012
Contribution Agreement With Diamondback Energy Inc [Member]
10月. 17, 2012
Contribution Agreement With Diamondback Energy Inc [Member]
10月. 11, 2012
Contribution Agreement With Diamondback Energy Inc [Member]
2012年5月7日
Contribution Agreement With Diamondback Energy Inc [Member]
Property, Plant and Equipment [Line Items]                  
Cumulative capitalization of general and administrative costs incurred and capitalized to the full cost pool     $ 29,664,000            
Capitalized general and administrative costs 2,034,000 1,338,000 6,170,000 4,126,000          
Shares issued in exchange for contribution of oil and gas interests               7,914,036  
Non-interest bearing promissory note received in exchange for contribution of oil and gas interests               63,590,050.00  
Amount that would have been owed had Contribution not closed               16,000,000  
Minimum threshold of ownership interest for designating a nominee to serve on the board of directors                 10.00%
Long-term debt, net of current maturities $ 143,033,000   $ 143,033,000   $ 2,142,000        
Outstanding common stock prior to closing, 感兴趣的百分比, received in exchange for contribution of oil and gas interests                 35.00%
所有者权益           21.40% 22.50%