Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014
Current
Federal	$ 1	$ 0	$ 1
State	40	35	(24)
Current income tax benefit (expense)	41	35	(23)
Deferred
Federal	1,567	232	(753)
State	724	48	23
Total deferred income taxes	2,291	280	(730)
Change in Valuation Allowance	(2,214)	(246)	(250)
Deferred income taxes	77	34	(980)
Income tax expense (benefit)	$ 118	$ 69	$ (1,003)