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Debt	12 Months Ended
Debt	Dec. 31, 2011
Debt [Abstract]
Debt	Note 9. Debt We have a credit facility maintained by us with a bank with a $3.0 million line of credit. As of December 31, 2011 and 2010, we have an unused $3.0 million line of credit at an annual interest rate of approximately 1.5% over the current LIBOR (London InterBank Offered Rate) fixed funding rate.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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