CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Sep. 30, 2016
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 41	$ 28
Commom stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	12,038,889	11,938,032
Common stock, shares outstanding	12,024,643	11,923,786
Treasury shares	14,246	14,246