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Available-for-sale securities and certificate of deposit | 9 Months Ended
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Sep. 30, 2012
Available-for-sale securities and certificate of deposit [Abstract] |
Available-for-sale securities and certificate of deposit | 2. Available-for-sale securities and certificate of deposit The following is a summary of the available-for-sale securities classified as current assets (in thousands):
|  | September 30, 2012 |  |  | December 31, 2011 |
|  | Cost Basis |  |  | Gross Unrealized Gain |  |  | Fair Value |  |  | Cost Basis |  |  | Gross Unrealized Gain |  |  | Fair Value |
Common stock investment |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 117 |  |  | $ | 48 |  |  | $ | 165 |
During the three months ended March 31, 2012, the Company determined its common stock investment to be other than temporarily impaired and recorded the $117,000 realized loss for available-for-sale securities as “Other income (expense)” in the condensed consolidated statements of operations. Gross unrealized gains and losses are included in “Other comprehensive gain (loss).” The Company’s $350,000 certificate of deposit, having a maturity greater than 90 days, is held as collateral for the Company’s commercial credit card programs.

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