Consolidated Condensed Balance Sheets (USD $)	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 587,000	$ 867,000
Short-term investments	2,400,000	2,400,000
Accounts receivable, net	26,161,000	21,887,000
Inventories	43,918,000	38,606,000
Taxes receivable	1,181,000	631,000
Prepaid expense & other current assets	3,099,000	2,502,000
Total current assets	77,346,000	66,893,000
Property, plant & equipment, net	28,568,000	29,891,000
Other assets:
Insurance for asbestos-related liabilities	17,646,000	17,646,000
Other assets	9,451,000	8,800,000
Total other assets	27,097,000	26,446,000
Total assets	133,011,000	123,230,000
Current liabilities:
Accounts payable	11,881,000	8,829,000
Accrued expenses	15,511,000	16,864,000
Notes payable	15,895,000	4,639,000
Current portion of long-term debt	1,496,000	1,487,000
Total current liabilities	44,783,000	31,819,000
Long-term debt, less current portion	4,609,000	5,851,000
Asbestos-related liabilities	17,700,000	17,700,000
Other liabilities	15,840,000	16,771,000
Total liabilities	82,932,000	72,141,000
Stockholders' equity
Common stock	46,000	46,000
Additional paid-in capital	20,075,000	20,148,000
Less cost of shares in treasury	(14,958,000)	(15,133,000)
Retained earnings	46,818,000	46,769,000
Accumulated other comprehensive loss	(2,845,000)	(1,683,000)
Total stockholders' equity of controlling interests	49,136,000	50,147,000
Noncontrolling interests	943,000	942,000
Total stockholders' equity	50,079,000	51,089,000
Total liabilities and stockholders' equity	$ 133,011,000	$ 123,230,000