v2.4.0.8

Note 9 - Income Taxes (Tables)

12 Months Ended

Jan. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		Years Ended January 31,
		2014				2013
Federal:
Current		$	—			$	—
Deferred			—				—
State:
Current			2				2
Deferred			—				—
Foreign:
Current			—				—
		$	2			$	2

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

		Years Ended January 31,
		2014								2013
		Amount				Percent Pretax Income				Amount				Percent Pretax Income
Loss from continuing operations before income taxes and discontinued operations		$	(2,056	)			100	%		$	(5,590	)			100	%
Computed “expected” income tax benefit on loss from continuing operations before income taxes		$	(699	)			(34	)%		$	(1,901	)			(34	)%
State tax, net of federal benefit			2				0	%			(301	)			(5	)%
Tax credits			—				0	%			(80	)			(2	)%
Change in valuation allowance			(1,074	)			(52	)%			619				11	%
Permanent differences			(93	)			(5	)%			969				17	%
Return to provision adjustments			—				0	%			681				12	%
Change in state tax rate			1,866				91	%
Other, net			—				0	%			15				—
Income tax expense		$	2				—			$	2				—

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

		January 31,
		2014				2013
Deferred tax assets:
Inventory			—				277
Property and equipment, principally due to differing depreciation methods			134				206
Accruals and reserves			124				184
Net research and manufacturer investment credit carryforwards			2,308				2,563
Net operating losses			13,904				14,322
AMT credit carryforwards			110				126
Stock based compensation			93				69
Other			2				2
Total gross deferred tax assets			16,675				17,749
Less: valuation allowance			(16,675	)			(17,749	)
Net deferred tax assets		$	—			$	—

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

		Unrecognized Tax Benefits
Balance at February 1, 2013		$	777
Additions based on tax positions related to the current year			—
Reductions due to lapses of statute of limitations			—
Reductions for tax positions of prior years			—
Balance at January 31, 2014		$	777

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of the change in unrecognized tax benefits.

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