CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($) $ in Thousands	Apr. 30, 2016	Jan. 31, 2016
Allowance for doubtful accounts (in dollars)	$ 541	$ 593
Inventories, net of reserves	$ 2,347	$ 2,566
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	7,611,440	7,610,603
Common stock, shares outstanding	7,254,999	7,254,162
Treasury stock, shares	356,441	356,441