Debt	12 Months Ended
Dec. 31, 2011
Debt	Note 8 - Debt *Convertible Notes* In July 2009, we issued approximately $19.3 million of convertible notes (“Convertible Notes”) and stock purchase warrants to note investors in a private placement. In November 2010, holders of Convertible Notes in the aggregate principal amount (plus accrued interest) of approximately $17.0 million converted their notes into approximately 6.7 million shares of common stock (at the stated conversion price of $2.54 per share) pursuant to an early conversion offer we made to all holders. During the fourth quarter of 2010, we expensed approximately $1.1 million related to the early conversion offer. After we issued a redemption (call) notice in November 2010, holders of additional Convertible Notes in the aggregate principal amount (plus accrued interest) of approximately $4.8 million converted their notes into approximately 1.9 million shares. A Convertible Note with a principal amount (plus accrued interest) of approximately $11,000 was not converted: We paid the holder of that note approximately $11,000 in cash to satisfy our obligations under such note on the redemption date. As a result of these actions, none of the Convertible Notes remained outstanding as of December 31, 2010. We incurred approximately $5.8 million of interest expense related to the Convertible Notes in 2010.

Debt

12 Months Ended

Dec. 31, 2011

Note 8 - Debt

Convertible Notes

In July 2009, we issued approximately $19.3 million of convertible notes (“Convertible Notes”) and stock purchase warrants to note investors in a private placement.

In November 2010, holders of Convertible Notes in the aggregate principal amount (plus accrued interest) of approximately $17.0 million converted their notes into approximately 6.7 million shares of common stock (at the stated conversion price of $2.54 per share) pursuant to an early conversion offer we made to all holders. During the fourth quarter of 2010, we expensed approximately $1.1 million related to the early conversion offer. After we issued a redemption (call) notice in November 2010, holders of additional Convertible Notes in the aggregate principal amount (plus accrued interest) of approximately $4.8 million converted their notes into approximately 1.9 million shares. A Convertible Note with a principal amount (plus accrued interest) of approximately $11,000 was not converted: We paid the holder of that note approximately $11,000 in cash to satisfy our obligations under such note on the redemption date. As a result of these actions, none of the Convertible Notes remained outstanding as of December 31, 2010.

We incurred approximately $5.8 million of interest expense related to the Convertible Notes in 2010.