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Condensed Consolidated Statements Shareholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Deficit [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Total
Balances at Dec. 31, 2011	$ 380,119	$ 24,670	$ (263,741)	$ 175	$ 141,223
Shares issued	11,448				11,448
Stock options expensed		872			872
Stock options exercised	21				21
Restricted stock units expensed		2,164			2,164
Compensation options exercised	733				733
Compensation warrants exercised	1,365				1,365
Warrants issued		2,783			2,783
Other comprehensive loss				(156)	(156)
Net loss			(29,459)		(29,459)
Balances at Sep. 30, 2012	$ 393,686	$ 30,489	$ (293,200)	$ 19	$ 130,994

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Amount of equity-based compensation, related to restricted stock units or restricted stock awards, recognized as expense or an asset, if compensation is capitalized.

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Increase in additional paid in capital due to warrants issued during the period. Includes also the proceeds of debt securities issued with detachable stock purchase warrants that are allocable to the warrants. These warrants qualify for equity classification and provide the holder with a right to purchase stock from the entity.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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