Quarterly report pursuant to Section 13 or 15(d)

Demand note payable, convertible debentures and line of credit agreement to related parties (Details)

v3.5.0.2
Demand note payable, convertible debentures and line of credit agreement to related parties (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 01, 2016
USD ($)
$ / shares
shares
Dec. 31, 2013
Jun. 30, 2016
USD ($)
Dec. 31, 2015
shares
Mar. 31, 2016
$ / shares
Jun. 15, 2015
USD ($)
Dec. 23, 2013
USD ($)
Convertible debentures | Michaelson Capital Special Finance Fund LP.              
Debt Instrument [Line Items]              
Convertible debentures, related party, current $ 3,150,000           $ 3,000,000
Related party debt, stated interest rate   4.00%          
Debt Instrument, Term   3 years          
Debt Instrument, Convertible, Accrue Rate After Occurrence and During Continuance   8.00%          
Debt Instrument, Convertible, Accrue Rate After Occurrence and During Continuance, Other Default   2.00%          
Increase to related party convertible debenture $ 150,000            
Debt conversion, amount converted     $ 1,000        
Conversion price in usd per share | $ / shares $ 3.54       $ 3.37    
Debt Instrument, Convertible, Threshold Consecutive Trading Days     20 days        
Debt Instrument, Convertible, If-converted Value in Excess of Principal     $ 150,000        
Debt Instrument, Repurchase, Percentage of Principal and Interest     120.00%        
Convertible debentures | Michaelson Capital Special Finance Fund LP. | Common Stock              
Debt Instrument [Line Items]              
Debt conversion, number of shares issued | shares 282.49            
Common stock issuable upon conversion (shares) | shares       890,207      
Convertible debentures | Management              
Debt Instrument [Line Items]              
Related party debt, stated interest rate     6.00%        
Line of Credit | Chief Executive Officer (John N. Hatsopoulos)              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity           $ 2,000,000  
Line Of Credit Facility, Maximum Withdrawal Limit Per Financial Calendar Quarter           $ 250,000