Consolidated Statement of Shareholders' Equity (USD $)
In Thousands, except Share data
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2013 $ (9,512) $ 3,746 $ 211,473 $ (235,546) $ 10,815
Balance (in shares) at Dec. 31, 2013   25,612,550      
Subscription of warrants 0        
Issuance of ordinary shares on exercise of warrants 1,553 43 1,510    
Issuance of ordinary shares on exercise of warrants (in shares)   255,000      
Issuance of ordinary shares on Capital raise 112,836 2,099 110,737    
Issuance of ordinary shares on Capital raise (in shares)   12,400,000      
Stock-based compensation expense 658   658    
Net loss (26,638)     (26,638)  
Other comprehensive income (loss) (768)       (768)
Balance at Mar. 31, 2014 $ 78,129 $ 5,888 $ 324,378 $ (262,184) $ 10,047
Balance (in shares) at Mar. 31, 2014   38,267,550