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Additional Paid-In Capital (Summary Of Warrant Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Additional Paid-In Capital [Abstract]    
Warrants outstanding (in shares) 19,977,743 19,977,743
Warrants valuation $ 12,936 $ 12,936
Weighted average exercise price per share $ 4.25 $ 4.25
Weighted average remaining life (yrs.) 2 years 1 month 6 days 2 years 6 months