CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 93	$ 60
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	12,750,993	12,272,704
Common stock, shares outstanding	12,736,747	12,258,458
Treasury shares	14,246	14,246