CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($) $ in Thousands	Oct. 31, 2015	Jan. 31, 2015
Allowance for doubtful accounts (in dollars)	$ 434	$ 484
Inventories, net of reserves	$ 2,519	$ 2,454
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,500,000	1,500,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	7,597,355	7,414,037
Common stock, shares outstanding	7,240,914	7,057,596
Treasury stock, shares	356,441	356,441