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Loans Payable (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Jun. 23, 2015
May. 20, 2015
Jun. 23, 2015
May. 20, 2015
Feb. 18, 2015
Jun. 30, 2015
Jun. 30, 2015
Jun. 30, 2014
May. 05, 2015
Dec. 31, 2014
Debt Conversion [Line Items]                    
Convertible promissory note, principal amount $ 400,000 $ 465,000 $ 400,000 $ 465,000   $ 585,000 $ 585,000      
Terms of warrant     5 years 5 years            
Common stock, shares issued 640,000 762,295 640,000 762,295   46,218,000 46,218,000   938,357 46,218,000
Price per share $ 0.30 $ 0.31 $ 0.30 $ 0.31            
Percentage of convertible promissory note bears interest 14.00% 12.00% 14.00% 12.00%            
Maturity date     Sep. 23, 2016 May 20, 2016            
Convertible promissory note $ 585,000   $ 585,000              
Outstanding principal and accrued and unpaid interest at a conversion rate $ 0.28   $ 0.28              
Warrants, exercise price     $ 0.15              
Change in fair value of warrant liability             $ (812,000)      
Interest expense           $ 111,000 $ 162,000      
Effective interest rate of convertible notes payable             54.63%      
Fair value expected life             4 years      
Fair value risk-free rate             1.26%      
Expected price volatility             100.00%      
Share price           $ 0.38 $ 0.38      
Fair value exercise price           $ 0.36 $ 0.36      
Debt Issuance Cost             $ 34      
Unamortized beneficial conversion feature                    
Warrant liability           $ 1,340,000 $ 1,340,000     $ 1,910,000
Preferred stock, interest rate       6.00%            
Mill City Ventures III, Ltd. [Member]                    
Debt Conversion [Line Items]                    
Convertible promissory note, principal amount         $ 1,000,000          
Terms of warrant         5 years          
Common stock, shares issued         1,515,152          
Price per share         $ 0.38          
Percentage of convertible promissory note bears interest         12.00%          
Maturity date         Aug. 18, 2016          
Convertible promissory note         $ 3,500,000          
Outstanding principal and accrued and unpaid interest at a conversion rate         $ 0.33          
Warrants, exercise price         $ 0.25          
Change in fair value of warrant liability         $ 272          
Amortization of beneficial conversion feature         $ 363   $ 508,000      
Promissory Note [Member]                    
Debt Conversion [Line Items]                    
Convertible promissory note, principal amount   $ 465,000   $ 465,000            
Price per share   $ 0.31   $ 0.31   $ 0.30 $ 0.30      
Convertible promissory note $ 465,000   $ 465,000              
Warrants, exercise price     $ 0.22       $ 0.30      
Change in fair value of warrant liability   $ 114,000         $ 77,000      
Amortization of beneficial conversion feature             0      
Interest expense           $ 22,000 $ 22,000      
Effective interest rate of convertible notes payable 59.36% 25.00%                
Fair value expected life   4 years                
Fair value risk-free rate   1.39%                
Expected price volatility   108.87%                
Share price   $ 0.22   0.22            
Fair value exercise price   $ 0.15   $ 0.15            
Unamortized beneficial conversion feature   $ 39,000   $ 39,000            
Warrants to purchase common stock   762,295 935,210              
Warrant liability   $ 169,000   $ 169,000            
Debt discount   $ 205,000                
Promissory note interest rate description            
The subordinated secured promissory note had an annual interest rate of 12%, 6% in cash and 6% added to the principal, and matured on May 20, 2016, see Note 11.
      
Number of warrants   935,210   935,210            
Promissory Note One [Member]                    
Debt Conversion [Line Items]                    
Convertible promissory note, principal amount $ 400,000   $ 400,000              
Price per share $ 0.28   $ 0.28              
Percentage of convertible promissory note bears interest 14.00%   14.00%              
Maturity date Sep. 23, 2016                  
Convertible promissory note $ 585,000   $ 585,000              
Outstanding principal and accrued and unpaid interest at a conversion rate $ 12   $ 12              
Warrants, exercise price $ 0.30                  
Change in fair value of warrant liability $ 77,000                  
Interest expense           $ 2,000 $ 2,000      
Effective interest rate of convertible notes payable 9.99%   30.85%              
Fair value expected life 4 years                  
Fair value risk-free rate 1.39%                  
Expected price volatility 108.87%                  
Warrants to purchase common stock 640,000