XML 23 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
STOCKHOLDERS' EQUITY (Details 3) (USD $)
In Millions, except Share data, unless otherwise specified
 0 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended
Dec. 14, 2012
Aspire Capital Fund, LLC
Dec. 14, 2012
Maximum
Aspire Capital Fund, LLC
Dec. 14, 2012
December 2012 stock issuance
Aspire Capital Fund, LLC
Mar. 31, 2013
December 2012 stock issuance
Common stock
Aspire Capital Fund, LLC
Mar. 22, 2012
March 2012 Sale of Common Stock and Economic Rights
Common Stock          
Number of shares issued under purchase agreement 158,982   158,982 650,000  
Purchase price for shares issued under purchase agreement $ 1.0   $ 1.0 $ 3.4  
Shares committed to purchase   1,455,787 1,455,787    
Period of common stock purchase agreement 2 years   2 years    
Common stock purchase agreement, purchase commitment   19.0 19.0    
Stock issued in lieu of commitment fee 74,548   74,548    
Net proceeds         $ 2.9
Shares sold (in shares)         669,726
Offering price per unit (in dollars per unit)         $ 4.53
Number of days used to calculate average closing price         10 days
Amount to be paid as percentage of litigation settlement amount received         10.00%
Lock-up period from the date of issuance         1 year