Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 1,127	$ 333
Serial preferred shares, par value
Serial preferred shares, shares authorized	1,000	1,000
Common shares, par value	$ 1	$ 1
Common shares, shares authorized	10,000	10,000
Common shares, shares issued	5,468	5,448
Common shares, shares outstanding	5,468	5,448