FAIR VALUE MEASUREMENTS: (Details 4) (USD $)	9 Months Ended
	Sep. 30, 2013
Proved Oil and Gas Properties
Estimated discount rate to measure fair value of proved oil and gas properties (as a percent)	10.00%
Fair Value
Derivatives measured at fair value
Total	$ (8,806,377)
Commodity derivatives | Fair Value | Current derivative assets
Derivatives measured at fair value
Derivative asset	620,446
Commodity derivatives | Fair Value | Long-term derivative assets
Derivatives measured at fair value
Derivative asset	480,874
Commodity derivatives | Fair Value | Current derivative liability
Derivatives measured at fair value
Derivative liability	(9,613,257)
Commodity derivatives | Fair Value | Long-term derivative liability
Derivatives measured at fair value
Derivative liability	$ (294,440)