Note 3 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Fiscal Year Ended March 31,
	2014			2013
Federal statutory rate		-34	%		-34	%
State taxes, net of federal tax benefit		-6	%		--	%
Permanent differences:
Incentive stock options		2	%		2	%
Effect of permanent differences		2	%		2	%
Increase in valuation allowance		38	%		32	%
Effective tax rate		--	%		--	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	March 31,
	2014			2013
Net operating loss carryforwards	$	26,884		$	24,310
Stock-based compensation		3,136			2,898
Nondeductible reserves		224			248
Depreciation and amortization		208			143
Capital loss carryforwards		7			7
Other		366			352
Gross deferred tax asset		30,825			27,958
Valuation allowance		(30,825	)		(27,958	)
Net deferred tax asset	$	-		$	-