XML 56 R68.htm IDEA: XBRL DOCUMENT v2.4.0.6
Subsequent Events (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended 197 Months Ended 0 Months Ended 12 Months Ended 185 Months Ended 12 Months Ended 0 Months Ended 3 Months Ended
Dec. 31, 2012
Dec. 31, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 14, 2012
Aspire Capital Fund, LLC
Dec. 31, 2010
Preferred stock
Dec. 31, 2011
Preferred stock
Dec. 31, 2012
Preferred stock
Dec. 31, 2010
Common stock
Jan. 11, 2013
Subsequent event
Preferred stock
Mar. 31, 2013
Subsequent event
Preferred stock
item
Mar. 31, 2013
Subsequent event
Common stock
Mar. 31, 2013
Subsequent event
Common stock
Aspire Capital Fund, LLC
Subsequent events                          
Cash dividend declared per share (in dollars per share)                   $ 0.15      
Number of securities exchange agreements                     3    
Number of shares issued upon conversion                 236,514     1,513,653  
Preferred shares exchanged (in shares)           833,671 1,776,858       792,460    
Preferred stock, shares outstanding 1,213,142   1,213,142 1,213,142       1,213,142     420,862    
Excess number of shares issued upon conversion                       1,465,480  
Deemed dividend   $ 3,515 $ 3,515               $ 8,400    
Number of shares issued under purchase agreement         158,982               650,000
Purchase price for shares issued under purchase agreement $ 1,418       $ 1,000               $ 3,400