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Credit Facility	6 Months Ended
Credit Facility	Jun. 30, 2011
Credit Facility [Abstract]
Credit Facility	Note 7 — Credit Facility The Company has an unsecured line of credit facility for $20 million that expires August 20, 2013. The principal amount outstanding under the credit facility provides for interest at LIBOR plus 200 basis points with a 3% floor. In addition, the credit facility provides for an unused facility fee of 15 basis points payable monthly. The line of credit facility contains certain covenants and at June 30, 2011, the Company was in compliance with all covenants. The Company has no outstanding borrowings at June 30, 2011.

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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