CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($) $ in Thousands	Jul. 31, 2015	Jan. 31, 2015
Allowance for doubtful accounts	$ 446	$ 484
Inventories, net of reserves	$ 2,605	$ 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	7,590,235	7,414,037
Common stock, shares outstanding	7,233,794	7,057,596
Treasury stock, shares	356,441	356,441