Balance Sheet parenthetical (Parentheticals) - USD ($) shares in Thousands, $ in Thousands	Jul. 31, 2016	Jan. 31, 2016
Allowance for doubtful accounts receivable	$ 72	$ 33
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	50,000	50,000
Common stock, shares issued	7,534	7,306
Common stock, shares outstanding	7,534	7,306
Treasury Stock, Number of Shares Held	45	45