Quarterly report pursuant to Section 13 or 15(d)

Debt (Details Textual)

v3.2.0.727
Debt (Details Textual) - USD ($)
1 Months Ended 6 Months Ended
Oct. 31, 2014
Mar. 31, 2013
Jun. 30, 2015
Jun. 30, 2014
Debt Instrument [Line Items]        
Debt Instrument, Face Amount   $ 8,000,000    
Debt Instrument, Unused Borrowing Capacity, Amount   $ 2,000,000    
Debt Instrument, Interest Rate at Period End     11.00%  
Debt Instrument, Maturity Date     Jun. 30, 2016  
Debt Conversion, Converted Instrument, Shares Issued       805,972
Debt Conversion, Converted Instrument, Amount       $ 1,000,000
Debt Instrument, Periodic Payment     $ 300,000  
Proceeds from Debt, Net of Issuance Costs $ 4,300,000   $ 7,551,000  
Gains (Losses) on Extinguishment of Debt 446,000      
Debt Instrument, Convertible, Terms of Conversion Feature     The loan agreement provided for a conversion feature whereby the lender or the Company could each convert up to a maximum of $1 million in principal payments into common stock of the Company  
Debt Instrument Refinanced Loan 5,600,000      
Debt Instrument Principal Amount 10,000,000      
Debt Instrument Additional Principal Borrowed $ 4,400,000      
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate 10.00%      
October 2015 through March 2017 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Periodic Payment $ 461,000      
April 2017 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid $ 2,100,000      
Warrant One [Member]        
Debt Instrument [Line Items]        
Number Of Common Stock Shares Granted By Issue Of Warrants   648,809    
Exercise Price Per share Of Common Stock To Be Issued Upon Conversion Of Warrants   $ 1.0789    
Warrants Expiration Period   5 years    
Warrant Two [Member]        
Debt Instrument [Line Items]        
Payments of Debt Issuance Costs   $ 449,000    
Stock Issued During Period, Shares, New Issues   350,650    
Number Of Common Stock Shares Granted By Issue Of Warrants   648,798    
Exercise Price Per share Of Common Stock To Be Issued Upon Conversion Of Warrants   $ 1.07892    
Stock Issued During Period, Value, New Issues   $ 396,000    
Warrants Expiration Period   5 years    
Warrant Three [Member]        
Debt Instrument [Line Items]        
Number Of Common Stock Shares Granted By Issue Of Warrants 75,188      
Exercise Price Per share Of Common Stock To Be Issued Upon Conversion Of Warrants $ 2.66      
Warrants Expiration Period 5 years      
Warrant Four [Member]        
Debt Instrument [Line Items]        
Payments of Debt Issuance Costs $ 86,000      
Stock Issued During Period, Shares, New Issues 28,119      
Number Of Common Stock Shares Granted By Issue Of Warrants 58,141      
Exercise Price Per share Of Common Stock To Be Issued Upon Conversion Of Warrants $ 2.66      
Stock Issued During Period, Value, New Issues $ 80,000      
Warrants Expiration Period 3 years