6. Asset Retirement Obligation (Tables)

12 Months Ended

Mar. 31, 2014

Asset Retirement Obligation Disclosure [Abstract]

Asset Retirement Obligation

	2014			2013
Asset retirement obligation, beginning of year	$	2,105,000		$	1,826,000
Liabilities settled		(7,000	)		-
Liabilities incurred		85,000			69,000
Revisions in estimated liabilities		-			33,000
Accretion		202,000			177,000
Asset retirement obligation, end of year		2,385,000			2,105,000
Less current portion		(317,000	)		(296,000	)
Asset retirement obligation, less current portion	$	2,068,000		$	1,809,000