CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Capital Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)	Noncontrolling Interest
Beginning Balance at Dec. 31, 2008	$ 152,897	$ 330,896	$ 10,733	$ (4,236)	$ (184,716)	$ 220
Beginning Balance (in shares) at Dec. 31, 2008		15,856
Net income (loss)	(71,269)				(71,330)	61
Issuance of common stock upon vesting of non-vested stock awards (in shares)		92
Share-based compensation	1,877		1,877
Other comprehensive income (loss)	806			806
Ending Balance at Dec. 31, 2009	84,311	330,896	12,610	(3,430)	(256,046)	281
Ending Balance (in shares) at Dec. 31, 2009		15,948
Net income (loss)	(639)				(687)	48
Issuance of common stock upon vesting of non-vested stock awards (in shares)		146
Issuance of common stock upon vesting of non-vested stock awards	135		135
Issuance of common stock (in shares)		33
Issuance of common stock	233		233
Reclassification of share-based compensation liability	44		44
Cancellation of 16,127 old common shares in exchange for new common shares
Issuance of common shares under rights offering (in shares)		12,585
Issuance of common shares under rights offering	67,960	67,960
Issuance of common shares for conversion of debt (in shares)		4,630
Issuance of common shares for conversion of debt	25,000	25,000
Share-based compensation	1,633		1,633
Other comprehensive income (loss)	1			1
Ending Balance at Dec. 31, 2010	178,678	423,856	14,655	(3,429)	(256,733)	329
Ending Balance (in shares) at Dec. 31, 2010		33,342
Net income (loss)	29,001				28,973	28
Issuance of common stock upon vesting of non-vested stock awards (in shares)		136
Share-based compensation	3,276		3,276
Other comprehensive income (loss)	(1,595)			(1,595)
Ending Balance at Dec. 31, 2011	$ 209,360	$ 423,856	$ 17,931	$ (5,024)	$ (227,760)	$ 357
Ending Balance (in shares) at Dec. 31, 2011		33,478