XML 19 R42.htm IDEA: XBRL DOCUMENT v2.4.0.6
Additional Paid-In Capital (Summary Of Warrant Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 9 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Additional Paid-In Capital [Abstract]    
Warrants outstanding (in shares) 17,923,426 15,850,238
Warrants exercised (in shares) (593,478)  
Warrants issued (in shares) 2,666,666  
Warrants valuation $ 12,495 $ 10,288
Warrants valuation, exercised (576)  
Warrants valuation, issued 2,783  
Weighted average exercise price per share $ 3.51 $ 3.45
Weighted average remaining life (yrs.) 2 years 10 months 24 days 3 years 8 months 12 days
Intrinsic value $ 2,178 $ 485