Quarterly report pursuant to sections 13 or 15(d)

Per Share Data Per Share Data - Computations of Basic and Diluted Per Share (Details)

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Per Share Data Per Share Data - Computations of Basic and Diluted Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Earnings Per Share [Abstract]        
Net loss $ (5,536) $ (4,983) $ (5,413) $ (7,962)
Loss attributable to noncontrolling interest (13) 0 (26) 0
Net loss (5,523) (4,983) (5,387) (7,962)
Dividends declared on preferred stock (1,028) 0 (1,028) 0
Net loss available to common shareholders $ (6,551) $ (4,983) $ (6,415) $ (7,962)
Basic weighted-average shares 183,488,108 183,551,171 183,473,696 183,685,654
Effect of dilutive securities:        
Common stock options 0 0 0 0
Warrants to purchase common stock 0 0 0 0
Dilutive potential common shares 0 0 0 0
Weighted average common shares outstanding and dilutive potential common shares 183,488,108 183,551,171 183,473,696 183,685,654
Net loss per share:        
Basic and diluted $ (0.04) $ (0.03) $ (0.03) $ (0.04)