Consolidated Statements Of Stockholders' Equity And Comprehensive Income (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Non-Controlling Interest [Member]	Comprehensive Income (Loss) [Member]	Total
Balance at Sep. 30, 2010	$ 945	$ 32,688	$ (783)	$ 45,940	$ 913		$ 79,703
Balance, shares at Sep. 30, 2010	9,452,765
Stock-based compensation arrangements	3	519	0	0	0		522
Stock-based compensation arrangements, shares	28,278
Dividends	0	0	0	(5,170)	(241)		(5,411)
Net income	0	0	0	5,819	174	5,993	5,993
Foreign currency translation adjustment	0	0	231	0	12	243	243
Defined benefit pension and postretirement plans activity	0	0	(2)	0	0	(2)	(2)
Comprehensive Income						6,234
Balance at Dec. 31, 2010	948	33,207	(554)	46,589	858		81,048
Balance, shares at Dec. 31, 2010	9,481,043
Balance at Sep. 30, 2011	946	33,791	(3,129)	49,724	1,076		82,408
Balance, shares at Sep. 30, 2011	9,462,807						9,462,807
Stock-based compensation arrangements	4	751	0	0	0		755
Stock-based compensation arrangements, shares	51,607
Dividends	0	0	0	(5,193)	(214)		(5,407)
Net income	0	0	0	4,925	159	5,084	5,084
Foreign currency translation adjustment	0	0	(672)	0	(25)	(697)	(697)
Defined benefit pension and postretirement plans activity	0	0	79	0	0	79	79
Comprehensive Income						4,466
Balance at Dec. 31, 2011	$ 950	$ 34,542	$ (3,722)	$ 49,456	$ 996		$ 82,222
Balance, shares at Dec. 31, 2011	9,514,414						9,514,414