Consolidated Condensed Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 979	$ 867
Short-term investments	2,400	2,400
Accounts receivable, less allowances for doubtful accounts and discounts of $1,842 in 2011 and $1,792 in 2010	20,087	21,887
Inventories	39,460	38,606
Income taxes	217	631
Prepaid expense & other current assets	2,310	2,502
Total current assets	65,453	66,893
Property, plant & equipment, net	28,502	29,891
Other assets:
Insurance for asbestos-related liabilities	17,646	17,646
Other assets	8,799	8,800
Total other assets	26,445	26,446
Total assets	120,400	123,230
Current liabilities:
Accounts payable	9,154	8,829
Accrued expenses	14,330	16,864
Notes payable	8,995	4,639
Current portion of long-term debt	1,458	1,487
Total current liabilities	33,937	31,819
Long-term debt, less current portion	4,299	5,851
Asbestos-related liabilities	17,700	17,700
Other liabilities	20,557	16,771
Total liabilities	76,493	72,141
Stockholders' equity
Common stock, par value $.01, authorized 15,000,000 shares, issued 4,607,902 shares	46	46
Additional paid-in capital	20,116	20,148
Less cost of 1,160,760 and 1,166,545 shares of common stock in treasury at December 31, 2011 and 2010, respectively	(14,958)	(15,133)
Retained earnings	45,115	46,769
Accumulated other comprehensive loss	(7,355)	(1,683)
Total stockholders' equity of controlling interests	42,964	50,147
Noncontrolling interests	943	942
Total stockholders' equity	43,907	51,089
Total liabilities and stockholders' equity	$ 120,400	$ 123,230