Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 3,279,000	$ 1,602,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depletion and depreciation	1,116,000	1,165,000
Deferred tax expense	412,000	102,000
Accretion of asset retirement obligation	172,000	166,000
Payments on asset retirement obligation	0	(283,000)
Share-based compensation	88,000	75,000
Change in:
Accounts receivable, net	(476,000)	(581,000)
Other current assets	(4,000)	193,000
Accounts payable, accrued and other liabilities	691,000	185,000
Net cash provided by operating activities	5,278,000	2,624,000
Cash flows from investing activities:
Investment in oil and gas property	(7,687,000)	(3,302,000)
Proceeds from sale of Oil and gas property	5,404,000	0
Purchases of support equipment	(184,000)	(54,000)
Net cash used in investing activities	(2,467,000)	(3,356,000)
Cash flows from financing activities:
Purchase of treasury shares	(84,000)	(122,000)
Net cash used in financing activities	(84,000)	(122,000)
Cash and cash equivalents:
Net increase (decrease) in cash and cash equivalents	2,727,000	(854,000)
Cash and cash equivalents, beginning of year	4,051,000	4,905,000
Cash and cash equivalents, end of period	6,778,000	4,051,000
Supplemental disclosure of cash flow information:
Cash paid for interest	0	0
Cash paid for income tax	1,000	204,000
Non-cash:
Increase in oil and gas property due to asset retirement obligation	133,000	265,000
Vested shares issued as compensation	75,000	74,000
Accrued capital expenditures	$ 957,000	$ 141,000