CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2018	Sep. 30, 2017
Allowance for Doubtful Accounts Receivable, Current	$ 2,019	$ 2,404
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares Authorized	19,000,000	19,000,000
Common Stock, Shares, Issued	8,245,320	8,243,896
Common Stock, Shares, Outstanding	8,245,320	8,243,896
Series A Preferred Stock [Member]
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, No Par Value	$ 0	$ 0
Preferred Stock, Shares Issued	1,035	1,035
Preferred Stock, Shares Outstanding	1,035	1,035
Preferred Stock, Par or Stated Value Per Share	$ 1,000	$ 1,000