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UNAUDITED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands	Common Stock [Member]	Warrants [Member]	Stock-based compensation [Member]	Additional paid in capital [Member]	Deficit [Member]	Accumulated other comprehensive income (loss) [Member]	Total
Balances at Dec. 31, 2010	$ 349,719	$ 10,721	$ 4,695	$ 7,565	$ (315,287)	$ 929	$ 58,342
Equity financing, net of transaction costs	28,396	588	671	0	0	0	29,655
Stock options exercised	1,055	0	(349)	0	0	0	706
Stock options expensed	0	0	424	0	0	0	424
Stock options expired	0	0	(828)	828	0	0	0
Restricted stock units exercised	392	0	(392)	0	0	0	0
Restricted stock units expensed	0	0	268	0	0	0	268
Cash paid in lieu of capital stock issuances	(107)	0	0	0	0	0	(107)
Warrants expired	0	(336)	0	336	0	0	0
Warrants exercised	406	(97)	0	0	0	0	309
Other comprehensive loss	0	0	0	0	0	(891)	(891)
Net income	0	0	0	0	54,620	0	54,620
Balances at Sep. 30, 2011	$ 379,968	$ 10,876	$ 4,489	$ 8,729	$ (260,667)	$ 38	$ 143,326

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Total equity financing of leveraged buyout transaction including the sale of equity and equity contributions from shareholders.

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