Quarterly report pursuant to Section 13 or 15(d)

Related party transactions (Details)

v3.8.0.1
Related party transactions (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Related Party Transaction [Line Items]          
Other current assets $ 1,714,866   $ 1,714,866   $ 1,811,787
Non-employee Directors          
Related Party Transaction [Line Items]          
Due to related parties 95,000   95,000   47,000
Cash Advances          
Related Party Transaction [Line Items]          
Due to related parties 26,367   26,367    
Due from related parties         415,773
Non-Interest Bearing Cash Advances, Management Fees and Reimbursable Expenses          
Related Party Transaction [Line Items]          
Due from related parties 548,823   548,823   711,885
Legal Fees | Entity Owned by Stockholder          
Related Party Transaction [Line Items]          
Due to related parties 236,000   236,000   238,000
Incurred expenses with related parties 26,000 $ 71,000 368,000 $ 283,000  
Rental Income | Entity Owned by Stockholder          
Related Party Transaction [Line Items]          
Due from related parties 0   0   0
Revenues from related parties 47,000 47,000 139,000 140,000  
Construction Serivces | Entity Owned by Employee          
Related Party Transaction [Line Items]          
Due to related parties 191,438   191,438   10,642
Incurred expenses with related parties 456,000 $ 1,500,000 1,600,000 $ 4,400,000  
Construction Related Deposits | Entity Owned by Stockholder          
Related Party Transaction [Line Items]          
Other current assets $ 250,000   250,000    
TOG Liquidation Trust          
Related Party Transaction [Line Items]          
Proceeds from warrant exercises     $ 1,200,000   $ 1,200,000