Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.8
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Jun. 30, 2013
Dec. 31, 2012
Assets:        
Cash and Cash Equivalents $ 4,074 $ 1,034 $ 2,792 $ 4,717
Marketable securities 5,719       
Total assets 9,793 1,034    
Liabilities:        
Warrants potentially settleable in cash 6,450 23    
Total liabilities 6,450 23    
Quoted Prices in Active Markets (Level 1) [Member]
       
Assets:        
Cash and Cash Equivalents 4,074 1,034    
Marketable securities         
Total assets 4,074 1,034    
Liabilities:        
Warrants potentially settleable in cash          
Total liabilities          
Significant Other Observable Inputs (Level 2) [Member]
       
Assets:        
Cash and Cash Equivalents          
Marketable securities 5,719      
Total assets 5,719       
Liabilities:        
Warrants potentially settleable in cash          
Total liabilities          
Unobservable Inputs (Level 3) [Member]
       
Assets:        
Cash and Cash Equivalents          
Total assets          
Liabilities:        
Warrants potentially settleable in cash 6,450 23    
Total liabilities $ 6,450 $ 23