13. Unaudited Oil and Gas Reserves Information (Details 1) (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Unaudited Oil And Gas Reserves Information Details 1
Future cash inflows	$ 246,908,000	$ 217,487,000
Future production costs	(91,392,000)	(88,280,000)
Future development costs	(25,563,000)	(28,255,000)
Future income tax	(28,829,000)	(25,675,000)
Future net cash flows	101,124,000	75,277,000
Adjustment to discount future annual net cash flows at 10%	(52,069,000)	(43,661,000)
Standardized measure of discounted future net cash flows	$ 49,055,000	$ 31,616,000