Condensed Consolidated Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Oil and gas sales	$ 5,161,000	$ 4,627,000	$ 10,375,000	$ 8,209,000
Well service and water-disposal revenue	32,000	45,000	56,000	58,000
Total revenues	5,193,000	4,672,000	10,431,000	8,267,000
Expenses:
Oil and gas production	1,198,000	868,000	2,217,000	1,703,000
Production tax	500,000	431,000	973,000	740,000
Well service and water-disposal	30,000	19,000	49,000	56,000
Depletion and depreciation	1,185,000	980,000	2,330,000	1,766,000
Accretion of asset retirement obligation	54,000	49,000	107,000	98,000
General and administrative	771,000	659,000	2,029,000	1,352,000
Total expenses	3,738,000	3,006,000	7,705,000	5,715,000
Income from operations	1,455,000	1,666,000	2,726,000	2,552,000
Other income (expense):
Interest and other income	5,000	7,000	9,000	15,000
Interest and other expenses	(53,000)	(44,000)	(114,000)	(77,000)
Total other income (expense)	(48,000)	(37,000)	(105,000)	(62,000)
Income before income tax	1,407,000	1,629,000	2,621,000	2,490,000
Current income tax expense	86,000	43,000	92,000	70,000
Deferred income tax expense	207,000	362,000	418,000	503,000
Total income tax expense	293,000	405,000	510,000	573,000
Net income	$ 1,114,000	$ 1,224,000	$ 2,111,000	$ 1,917,000
Per share amounts:
Basic	$ 0.65	$ 0.72	$ 1.23	$ 1.12
Diluted	$ 0.64	$ 0.72	$ 1.22	$ 1.12
Weighted average common shares outstanding:
Basic	1,718,964	1,710,445	1,719,003	1,710,445
Diluted	1,728,794	1,710,445	1,727,804	1,710,445