Balance Sheet (Parentheticals) - USD ($) $ in Thousands	Jan. 31, 2018	Jan. 31, 2017
Allowance for doubtful accounts	$ 469	$ 305
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	7,717,000	7,622,000
Common stock, shares outstanding	7,717,000	7,595,000
Treasury stock, shares	0	26,750