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Business, Reduction of Operations, Going Concern, Recent Financing Activities and Basis of Preparation and Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2012
Business, Reduction of Operations, Going Concern, Recent Financing Activities, and Basis of Preparation and Summary of Significant Accounting Policies [Abstract]  
Schedule of Liabilities Measured at Fair Value on a Recurring Basis

The following tables summarize our liabilities measured at fair value on a recurring basis as of September 30, 2012 (in thousands):

 

   

Balance at
September 30,
2012

   

Level 1
Quoted prices in
active markets for
identical assets

   

Level 2
Significant other
observable
inputs

   

Level 3
Significant
unobservable
inputs

 
Liabilities:                                
Fair value liability for price adjustable warrants and subscription investment units   $ 2,477       -       -     $ 2,477  
Total liabilities at fair value   $ 2,477       -       -     $ 2,477  

 

Schedule of Activity of Fair Value of Liabilities Determined by Level 3 Inputs

The following presents activity of the fair value liability of price adjustable warrants and subscription investment units determined by Level 3 inputs (in thousands, except per share data):

 

         

Weighted average as of each measurement date

 
   

Fair value
liability for price
adjustable
warrants and subscription
investment units (in
thousands)

   

Exercise
Price

   

Stock
Price

   

Volatility

   

Contractual life
in years

   

Risk free rate

 
Balance at December 31, 2011   $ 3,485     $ 0.76     $ 0.89       124 %     5.4       0.9 %
Fair value of warrants issued     2,561       0.28       0.49       127 %     5.5       0.8 %
Reclassification to equity upon exercise of warrants     (291 )     0.51       0.74       135 %     5.0       0.7 %
Change in fair value included in statement of operations     (3,278 )                                        
Balance at September 30, 2012   $ 2,447     $ 0.25     $ 0.28       143 %     4.7       0.9 %

 

Schedule of Anti-Dilutive Securities

The following numbers of shares have been excluded for periods ended September 30:

 

   

2011

 

   

2012

 

 
Stock options outstanding     611,657       358,373  
Warrants     4,956,005       11,251,086  
Subscription investment units     25,000       0  
Total     5,592,662       11,609,459