Note 7 - Income Taxes (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2012	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Deferred Income Tax Expense (Benefit)	$ 1,543,000	$ 396,000
Operating Loss Carryforwards, Valuation Allowance	422,000	422,000	422,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic			8,321,000
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	$ 235,000	$ 235,000	$ 235,000