Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2012	Mar. 31, 2011
Assets:
Accumulated depreciation on support equipment and other non-current assets, net of accumulated depreciation	$ 383,000	$ 377,000
Current assets:
Allowance of joint interest and other receivable, net	$ 60,000	$ 93,000
Shareholders' Equity:
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, Authorized	600,000	600,000
Preferred stock, Issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, Authorized	6,400,000	6,400,000
Common stock, Issued	1,788,000	1,782,000
Treasury stock, shares	82,000	76,000