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Debt (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Line of Credit Facility (Textual) [Abstract]        
Credit facility available Borrowing $ 4,000,000   $ 4,000,000  
Credit facility accrue interest rate     10.00%  
Credit facility initial term     28 months  
Warrants granted to purchase aggregate common stock     805,521  
Fair value of warrants     1,985,000  
Expected volatility     82.00%  
Dividend yield     0.00%  
Risk free interest rate     4.88%  
Expected Life     10 years  
Amortization expenses related to deferred financing cost 3,000 6,000 5,000 31,000
Outstanding loans 0   0  
The Frost Group [Member]
       
Line of Credit Facility (Textual) [Abstract]        
Credit facility available Borrowing 3,900,000   3,900,000  
Mr. Spragens [Member]
       
Line of Credit Facility (Textual) [Abstract]        
Credit facility available Borrowing $ 100,000   $ 100,000  
Credit Facility [Member]
       
Line of Credit Facility (Textual) [Abstract]        
Maturity date     Jun. 30, 2013