XML 27 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 7 - Warrants (Details) - Warrants Outstanding (USD $)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Class of Warrant or Right [Line Items]    
Number of Shares (in Shares) 8,390,741 7,280,683
Number of Shares (in Shares) 2,383,329 4,182,471
Number of Shares (in Shares) (1,275,298)  
Number of Shares (in Shares) 9,448,772 11,463,154
Minimum [Member]
   
Class of Warrant or Right [Line Items]    
Price Range $ 0.125 $ 0.125
Price Range $ 0.50 $ 0.50
Price Range $ 0.50  
Price Range $ 0.125 $ 0.125
Maximum [Member]
   
Class of Warrant or Right [Line Items]    
Price Range $ 1.00 $ 2.00
Price Range $ 1.00 $ 1.00
Price Range $ 1.00  
Price Range $ 1.00 $ 1.00