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Income Taxes (Income Tax Expense Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012
Income Tax Disclosure [Abstract]
Statutory	$ (929)	$ (1,373)	$ (4,674)
State taxes (net of federal tax)	(47)	(124)	(799)
Change in valuation allowance	(253)	1,480	6,043
State rate adjustment	82	49	(288)
Change in unrecognized tax benefits	(32)	(246)	(164)
Other	176	5	(63)
Income tax expense (benefit)	$ (1,003)	$ (209)	$ 55

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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