Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 5,178	$ 10,081
Accounts receivable, net	17,450	14,246
Inventories, net	19,210	19,578
Prepaid and other	1,987	1,025
Deferred income taxes	2,494	2,495
Total current assets	46,319	47,425
Other assets:
Goodwill	34,226	34,186
Other intangible assets	1,719	2,045
Assets held for sale	6,649	6,649
Other assets	124	94
Total other assets	42,718	42,974
Property and equipment:
Land	11,382	11,321
Buildings	32,341	32,255
Equipment	122,507	124,100
Construction in progress	2,215	1,477
Total Property and equipment	168,445	169,153
Less accumulated depreciation	117,236	118,026
Net property and equipment	51,209	51,127
Total assets	140,246	141,526
Current liabilities:
Current maturities of long-term debt	1,000	1,000
Accounts payable and accrued liabilities	15,998	16,240
Income taxes payable to affiliate	154	194
Income taxes	277	1,326
Total current liabilities	17,429	18,760
Noncurrent liabilities:
Long-term debt	21,926	23,185
Deferred income taxes	15,509	14,166
Other noncurrent liabilities	2	705
Total noncurrent liabilities	37,437	38,056
Stockholders' equity:
Preferred stock
Additional paid-in capital	55,203	55,125
Retained earnings	18,486	17,967
Accumulated other comprehensive income	11,567	11,494
Total stockholders' equity	85,380	84,710
Total liabilities and stockholders' equity	140,246	141,526
Commitments and contingencies (Note 1)
Common Stock Class A
Stockholders' equity:
Common Stock	24	24
Total stockholders' equity	24	24
Common Stock Class B
Stockholders' equity:
Common Stock	100	100
Total stockholders' equity	$ 100	$ 100