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Short-Term and Long-Term Debt (Short and Long-Term Debt) (Details) - USD ($)
1 Months Ended
Sep. 24, 2015
Oct. 21, 2015
Feb. 23, 2015
Jan. 31, 2015
Feb. 13, 2014
Aug. 30, 2011
Sep. 30, 2015
Apr. 28, 2015
Dec. 31, 2014
May. 24, 2013
Dec. 31, 2011
Debt Instrument [Line Items]                      
Stock options issued, exercise price per share $ 0.22 $ 0.22   $ 0.60              
Debt instrument, carrying amount             $ 730,000        
Number of shares exchanged for warrants exercised 863,638 227,273                  
RBS Citizens [Member]                      
Debt Instrument [Line Items]                      
Debt interest rate             3.20% 3.61%      
Convertible Notes Payable [Member]                      
Debt Instrument [Line Items]                      
Debt instrument, face amount                     $ 575,000
Debt interest rate                     10.00%
Shares to be issued upon conversion of convertible note, shares                     260,180
Debt conversion, price per share                     $ 2.21
Debt instrument, carrying amount             $ 455,000   $ 604,000    
Periodic installments amount     $ 15,000                
Debt instrument, final balloon payment     $ 230,000                
Promissory Notes [Member]                      
Debt Instrument [Line Items]                      
Debt instrument, face amount                   $ 850,000  
Debt instrument, maturity date     May 31, 2016   Feb. 13, 2018            
Debt interest rate         1.95%         9.00%  
Debt instrument, carrying amount             $ 3,891,000   850,000    
Periodic installments amount     $ 15,000                
Debt instrument, final balloon payment     $ 610,000                
Promissory Notes [Member] | RBS Citizens [Member]                      
Debt Instrument [Line Items]                      
Debt interest rate             3.35%        
Debt instrument, carrying amount             $ 1,036,155   $ 1,078,220    
Periodic installments amount           $ 7,658