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Condensed Consolidated Statements Shareholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income/(Loss) [Member]
Total
Balances, beginning of period at Dec. 31, 2013 $ 404,470 $ 32,487 $ (393,885) $ (59) $ 43,013
Beginning Balance, shares at Dec. 31, 2013 82,275,217        
Number of shares issued in transaction, (Shares) 115,000        
Stock-based compensation $ 442 684     1,126
Other comprehensive loss       70 70
Net income (loss)     (18,926)   (18,926)
Balances, end of period at Dec. 31, 2014 $ 404,912 33,171 (412,811) 11 25,283
Ending Balance, shares at Dec. 31, 2014 82,390,217        
Stock-based compensation   467     467
Other comprehensive loss       (27) (27)
Net income (loss)     2,642   2,642
Balances, end of period at Jun. 30, 2015 $ 404,912 $ 33,638 $ (410,169) $ (16) $ 28,365
Ending Balance, shares at Jun. 30, 2015 82,390,217