Consolidated Condensed Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013
Receivables, allowance for doubtful accounts	$ 520	$ 481
Serial preferred shares, no par value (in dollars per share)	$ 0	$ 0
Serial preferred shares, number of shares authorized	1,000,000	1,000,000
Common shares, par value (in dollars per share)	$ 1	$ 1
Common shares, number of shares authorized	10,000,000	10,000,000
Common shares, number of shares issued	5,426,000	5,407,000
Common shares, number of shares outstanding	5,426,000	5,407,000