Note 7 - Income Taxes (Details) - A Reconciliation Of The Provision For Income Taxes At The Statutory Rates	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
A Reconciliation Of The Provision For Income Taxes At The Statutory Rates [Abstract]
Statutory income tax rate	34.00%	34.00%
State taxes, net of federal benefit	3.60%	3.30%
Other permanent differences		(6.10%)
Establishment of valuation allowances	(38.40%)	(40.40%)
Other	0.80%	0.10%
	0.00%	(9.10%)