Quarterly report pursuant to Section 13 or 15(d)

Long term debt - Narrative (Details)

v3.5.0.2
Long term debt - Narrative (Details)
3 Months Ended 9 Months Ended
Aug. 16, 2016
USD ($)
installment
Aug. 11, 2016
USD ($)
$ / shares
shares
Jun. 27, 2016
USD ($)
$ / shares
shares
Jun. 05, 2015
USD ($)
installment
Jun. 02, 2015
USD ($)
installment
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
installment
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Dec. 17, 2014
USD ($)
Debt Instrument [Line Items]                      
Long-term debt           $ 15,180,755   $ 15,180,755   $ 12,636,763  
Interest expense           254,179 $ 94,677 585,138 $ 246,745    
Interest costs capitalized           180,021 $ 93,464 392,257 $ 250,717    
STK Locations                      
Debt Instrument [Line Items]                      
Letters of credit outstanding           $ 1,500,000   $ 1,500,000      
Line of Credit                      
Debt Instrument [Line Items]                      
Line of credit facility, revolving credit conversion to term loan                     $ 6,395,071
Medium-term Notes | Term Loan Agreement                      
Debt Instrument [Line Items]                      
Face value of debt                     $ 7,475,000
Number of periodic payments (in installments) | installment               60      
Periodic principal payments               $ 124,583      
Debt interest rate           5.00%   5.00%      
Long-term debt           $ 4,858,750   $ 4,858,750   5,980,000  
Medium-term Notes | Second Term Loan Agreement                      
Debt Instrument [Line Items]                      
Face value of debt         $ 6,000,000            
Number of periodic payments (in installments) | installment         54            
Periodic principal payments         $ 111,111.11            
Debt interest rate         5.00%            
Long-term debt           5,333,334   5,333,334   6,000,000  
Construction Loans | Equipment Financing Agreements                      
Debt Instrument [Line Items]                      
Face value of debt $ 712,187     $ 1,000,000              
Number of periodic payments (in installments) | installment 60     60              
Periodic principal payments $ 13,769     $ 19,686              
Debt interest rate 5.00%     5.00%              
Long-term debt           1,493,671   1,493,671   $ 656,763  
Unsecured Debt | Promissory notes, net                      
Debt Instrument [Line Items]                      
Face value of debt   $ 3,000,000 $ 1,000,000                
Debt interest rate   10.00% 10.00%                
Long-term debt           $ 3,495,000   $ 3,495,000      
Loan discount   $ 360,000 $ 125,000                
Common stock | Unsecured Debt | Promissory notes, net                      
Debt Instrument [Line Items]                      
Warrants to purchase common stock (in shares) | shares   300,000 100,000                
Exercise price of warrants (in dollars per share) | $ / shares   $ 2.61 $ 2.61