Debt	3 Months Ended
Mar. 31, 2012
Debt [Abstract]
Debt	5. Debt Credit Agreement Our credit agreement with Wells Fargo Bank, National Association (“Credit Agreement”) provides a $20.0 million secured revolving credit facility for working capital and general corporate purposes, including up to $10.0 million available for issuances of letters of credit. Outstanding letters of credit reduce the amounts available under this credit facility. The Credit Agreement expires on July 1, 2012. At both March 31, 2012, and December 31, 2011, $20.0 million was available under the Credit Agreement, we had no borrowings and we were in compliance with all financial covenants. We had no outstanding letters of credit as of March 31, 2012 or December 31, 2011. Capital Lease Obligations We had outstanding capital lease obligations of $0.2 million and $0.3 million at March 31, 2012, and December 31, 2011, respectively. At March 31, 2012, and December 31, 2011, $0.1 million and $0.2 million, respectively, were included in other current liabilities and $0.1 million and $0.1 million, respectively, were included in other long-term liabilities in our condensed consolidated balance sheets.

Debt

3 Months Ended

Mar. 31, 2012

5. Debt

Credit Agreement

Our credit agreement with Wells Fargo Bank, National Association (“Credit Agreement”) provides a $20.0 million secured revolving credit facility for working capital and general corporate purposes, including up to $10.0 million available for issuances of letters of credit. Outstanding letters of credit reduce the amounts available under this credit facility. The Credit Agreement expires on July 1, 2012.

At both March 31, 2012, and December 31, 2011, $20.0 million was available under the Credit Agreement, we had no borrowings and we were in compliance with all financial covenants. We had no outstanding letters of credit as of March 31, 2012 or December 31, 2011.

Capital Lease Obligations

We had outstanding capital lease obligations of $0.2 million and $0.3 million at March 31, 2012, and December 31, 2011, respectively. At March 31, 2012, and December 31, 2011, $0.1 million and $0.2 million, respectively, were included in other current liabilities and $0.1 million and $0.1 million, respectively, were included in other long-term liabilities in our condensed consolidated balance sheets.