CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 36,591	$ 63,777
Accounts receivable, net	10,676	8,480
Inventories, net	12,926	11,223
Deferred income taxes	2,691	2,691
Prepaid expenses and other	631	4,424
Total current assets	63,515	90,595
Other assets:
Goodwill	23,742	23,742
Other noncurrent	591	2,119
Total other assets	24,333	25,861
Property and equipment:
Land	4,928	4,928
Buildings	20,521	20,521
Equipment	57,019	58,603
Construction in progress	2,558	1,442
Property, Plant and Equipment, Gross, Total	85,026	85,494
Less accumulated depreciation	51,329	51,767
Net property and equipment	33,697	33,727
Total assets	121,545	150,183
Current liabilities:
Current maturities of long-term debt		1,000
Accounts payable and accrued liabilities	10,244	11,061
Income taxes payable to affiliate	372	12,197
Other	6	203
Total current liabilities	10,622	24,461
Noncurrent liabilities:
Long-term debt		17,480
Deferred income taxes	6,924	6,182
Total noncurrent liabilities	6,924	23,662
Stockholders’ equity:
Preferred stock
Additional paid-in capital	55,265	55,203
Retained earnings	48,610	46,733
Total stockholders’ equity	103,999	102,060
Total liabilities and stockholders’ equity	121,545	150,183
Commitments and contingencies (Note 1)
Class A Common stock
Stockholders’ equity:
Common stock	24	24
Total stockholders’ equity	24	24
Class B Common stock
Stockholders’ equity:
Common stock	100	100
Total stockholders’ equity	$ 100	$ 100