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Line of Credit	12 Months Ended
	Dec. 31, 2011
Line Of Credit Facility [Abstract]
Line of Credit	7. Line of Credit In December 2007, the Company established an unsecured $25 million revolving line of credit with a bank. This facility is renewable annually and now terminates on June 15, 2013. The credit facility remained unused and throughout 2010 and 2011. Borrowings under this facility would bear interest at LIBOR (1.13% at December 31, 2011) plus 200 basis points and the Company is charged three-eighths of a percent (.375%) per year on the unused portion. At December 31, 2011 and 2010, the Company was in compliance with the terms and covenants of the credit facility.

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- Definition

The entire disclosure for short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.

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