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Note 11 - Derivatives (Details) (USD $)
Jun. 30, 2013
Sep. 30, 2012
Note 11 - Derivatives (Details) [Line Items]    
Derivative Assets (Liabilities), at Fair Value, Net (in Dollars) $ 814,978 $ (172,271)
Contract 2 [Member] | 150,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $3.00 floor / $3.70 ceiling [Member] | November 2012 - January 2013 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.00
Contract 2 [Member] | 150,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | Contract 2 [Member] | November 2012 - January 2013 [Member] | $3.00 floor / $3.70 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   150,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   150,000
Mmbtu 80000 [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.25 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 80,000  
Derivative Contract Volume (in Barrels of Oil Equivalent) 80,000  
Mmbtu 80000 [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.25 ceiling [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 3.75  
Mmbtu 80000 [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.25 ceiling [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 4.25  
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.25 ceiling [Member] | March - October 2012 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   2.50
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.25 ceiling [Member] | March - October 2012 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.25
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.20 ceiling [Member] | April - October 2012 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   2.50
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.20 ceiling [Member] | April - October 2012 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.20
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.45 ceiling [Member] | April - October 2012 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   2.50
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.45 ceiling [Member] | April - October 2012 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.45
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.30 ceiling [Member] | April - October 2012 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   2.50
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.30 ceiling [Member] | April - October 2012 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.30
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.30 ceiling [Member] | August - October 2012 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   2.50
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.30 ceiling [Member] | August - October 2012 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.30
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | November 2012 - January 2013 [Member] | November 2012 - January 2013 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.00
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $3.00 floor / $3.65 ceiling [Member] | November 2012 - January 2013 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.65
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.30 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 50,000  
Derivative Contract Volume (in Barrels of Oil Equivalent) 50,000  
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.30 ceiling [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 3.75  
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.30 ceiling [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 4.30  
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | March - October 2012 [Member] | $2.50 floor / $3.25 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | April - October 2012 [Member] | $2.50 floor / $3.20 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | April - October 2012 [Member] | $2.50 floor / $3.45 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | April - October 2012 [Member] | $2.50 floor / $3.30 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | August - October 2012 [Member] | $2.50 floor / $3.30 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
50,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | November 2012 - January 2013 [Member] | $3.00 floor / $3.65 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
50,000 Mmbtu [Member] | Natural Gas Basis Protection Swaps [Member] | NYMEX -$.29 [Member] | January - December 2012 [Member] | CEGT [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   0.29
50,000 Mmbtu [Member] | Natural Gas Basis Protection Swaps [Member] | NYMEX -$.29 [Member] | January - December 2012 [Member] | PEPL [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   0.29
50,000 Mmbtu [Member] | Natural Gas Basis Protection Swaps [Member] | NYMEX -$.30 [Member] | January - December 2012 [Member] | PEPL [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   0.30
50,000 Mmbtu [Member] | Natural Gas Basis Protection Swaps [Member] | January - December 2012 [Member] | NYMEX -$.29 [Member] | CEGT [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
50,000 Mmbtu [Member] | Natural Gas Basis Protection Swaps [Member] | January - December 2012 [Member] | NYMEX -$.29 [Member] | PEPL [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
50,000 Mmbtu [Member] | Natural Gas Basis Protection Swaps [Member] | January - December 2012 [Member] | NYMEX -$.30 [Member] | PEPL [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   50,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   50,000
100,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.05 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 100,000  
Derivative Contract Volume (in Barrels of Oil Equivalent) 100,000  
100,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.05 ceiling [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 3.75  
100,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | February 2013 - December 2013 [Member] | $3.75 floor / $4.05 ceiling [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 4.05  
100,000 Mmbtu [Member] | Natural Gas Fixed Price Swaps [Member] | March - October 2013 [Member] | Fixed Price - $3.505 [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 100,000  
Derivative, Swap Type, Fixed Price 3.505  
Derivative Contract Volume (in Barrels of Oil Equivalent) 100,000  
100,000 Mmbtu [Member] | Natural Gas Fixed Price Swaps [Member] | May - November 2013 [Member] | Fixed Price - $4.320 [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 100,000  
Derivative, Swap Type, Fixed Price 4.320  
Derivative Contract Volume (in Barrels of Oil Equivalent) 100,000  
160,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | November 2013 - April 2014 [Member] | $4.00 floor / $4.55 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 160,000  
Derivative Contract Volume (in Barrels of Oil Equivalent) 160,000  
160,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | November 2013 - April 2014 [Member] | $4.00 floor / $4.55 ceiling [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 4.00  
160,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | November 2013 - April 2014 [Member] | $4.00 floor / $4.55 ceiling [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 4.55  
70,000 Mmbtu [Member] | Natural Gas Fixed Price Swaps [Member] | March - October 2013 [Member] | Fixed Price - $3.400 [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 70,000  
Derivative, Swap Type, Fixed Price 3.400  
Derivative Contract Volume (in Barrels of Oil Equivalent) 70,000  
40,000 Mmbtu [Member] | Natural Gas Fixed Price Swaps [Member] | April-December 2013 [Member] | Fixed Price - $3.655 [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 40,000  
Derivative, Swap Type, Fixed Price 3.655  
Derivative Contract Volume (in Barrels of Oil Equivalent) 40,000  
40,000 Mmbtu [Member] | Natural Gas Basis Protection Swaps [Member] | NYMEX -$.30 [Member] | January - December 2012 [Member] | CEGT [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   0.30
40,000 Mmbtu [Member] | Natural Gas Basis Protection Swaps [Member] | January - December 2012 [Member] | NYMEX -$.30 [Member] | CEGT [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   40,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   40,000
Bbls 3,000 [Member] | $90 floor / $110 ceiling [Member] | Oil costless collars [Member] | February - December 2012 [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   3,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   3,000
Bbls 3,000 [Member] | Oil costless collars [Member] | March-December 2013 [Member] | $90 floor / $102 ceiling [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 3,000  
Derivative Contract Volume (in Barrels of Oil Equivalent) 3,000  
Bbls 3,000 [Member] | Oil costless collars [Member] | March-December 2013 [Member] | $90 floor / $102 ceiling [Member] | Minimum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 90.00  
Bbls 3,000 [Member] | Oil costless collars [Member] | March-December 2013 [Member] | $90 floor / $102 ceiling [Member] | Maximum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 102.00  
Bbls 3,000 [Member] | Oil costless collars [Member] | February - December 2012 [Member] | $90 floor / $110 ceiling [Member] | Minimum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   90
Bbls 3,000 [Member] | Oil costless collars [Member] | February - December 2012 [Member] | $90 floor / $110 ceiling [Member] | Maximum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   110
Bbls - 4000 [Member] | Oil costless collars [Member] | March-December 2013 [Member] | $90 floor / $101.50 ceiling [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 4,000  
Derivative Contract Volume (in Barrels of Oil Equivalent) 4,000  
Bbls - 4000 [Member] | Oil costless collars [Member] | March-December 2013 [Member] | $90 floor / $101.50 ceiling [Member] | Minimum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 90.00  
Bbls - 4000 [Member] | Oil costless collars [Member] | March-December 2013 [Member] | $90 floor / $101.50 ceiling [Member] | Maximum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 101.50  
Bbls - 2,000 [Member] | Oil costless collars [Member] | May - December 2013 [Member] | $90 floor / $97.50 ceiling [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units) 2,000  
Derivative Contract Volume (in Barrels of Oil Equivalent) 2,000  
Bbls - 2,000 [Member] | Oil costless collars [Member] | May - December 2013 [Member] | $90 floor / $97.50 ceiling [Member] | Minimum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 90.00  
Bbls - 2,000 [Member] | Oil costless collars [Member] | May - December 2013 [Member] | $90 floor / $97.50 ceiling [Member] | Maximum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price 97.50  
Bbls - 2,000 [Member] | Oil costless collars [Member] | January - December 2012 [Member] | $90 floor / $105 ceiling [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   2,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   2,000
Bbls - 2,000 [Member] | Oil costless collars [Member] | January - December 2012 [Member] | $90 floor / $105 ceiling [Member] | Minimum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   90
Bbls - 2,000 [Member] | Oil costless collars [Member] | January - December 2012 [Member] | $90 floor / $105 ceiling [Member] | Maximum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   105
Bbls - 2,000 [Member] | Oil costless collars [Member] | May - December 2012 [Member] | $90 floor / $114 ceiling [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   2,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   2,000
Bbls - 2,000 [Member] | Oil costless collars [Member] | May - December 2012 [Member] | $90 floor / $114 ceiling [Member] | Minimum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   90
Bbls - 2,000 [Member] | Oil costless collars [Member] | May - December 2012 [Member] | $90 floor / $114 ceiling [Member] | Maximum [Member] | NYMEX WTI [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   114
120,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor/ $3.10 ceiling [Member] | April - October 2012 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   2.50
120,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor/ $3.10 ceiling [Member] | April - October 2012 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.10
120,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | April - October 2012 [Member] | $2.50 floor/ $3.10 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   120,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   120,000
60,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.20 ceiling [Member] | April - October 2012 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   2.50
60,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $2.50 floor / $3.20 ceiling [Member] | April - October 2012 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.20
60,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | April - October 2012 [Member] | $2.50 floor / $3.20 ceiling [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   60,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   60,000
150,000 Mmbtu [Member] | $3.00 floor / $3.70 ceiling [Member] | Natural Gas Costless Collars [Member] | Contract 2 [Member] | November 2012 - January 2013 [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.70
150,000 Mmbtu [Member] | $3.00 floor / $3.70 ceiling [Member] | Natural Gas Costless Collars [Member] | November 2012 - January 2013 [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative Contract Volume (in British Thermal Units)   150,000
Derivative Contract Volume (in Barrels of Oil Equivalent)   150,000
150,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | $3.00 floor / $3.70 ceiling [Member] | November 2012 - January 2013 [Member] | Minimum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.00
150,000 Mmbtu [Member] | Natural Gas Costless Collars [Member] | November 2012 - January 2013 [Member] | $3.00 floor / $3.70 ceiling [Member] | Maximum [Member] | NYMEX Henry Hub [Member]
    
Note 11 - Derivatives (Details) [Line Items]    
Derivative, Swap Type, Fixed Price   3.70