5. COMMODITY DERIVATIVE INSTRUMENTS (Details 1) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Asset commodity derivatives:
Current assets	$ 2,765,219	$ 3,069,115
Noncurrent assets	1,467,664	1,841,120
Total	4,232,883	4,910,235
Liability commodity derivatives:
Current liabilities	(625,057)	(411,068)
Noncurrent liabilities	(667,414)	(770,579)
Total	(1,292,471)	(1,181,647)
Total commodity derivative instruments	$ 2,940,412	$ 3,728,588