Quarterly report pursuant to Section 13 or 15(d)

Line of Credit and Mortgage Payable (Details Textual)

v3.8.0.1
Line of Credit and Mortgage Payable (Details Textual) - USD ($)
9 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Mar. 15, 2016
Dec. 30, 2015
Dec. 18, 2014
Long-term Line of Credit $ 15,921,186   $ 8,113,943      
Mortgages [Member]            
Debt Instrument, Face Amount $ 310,000          
Debt Instrument, Interest Rate, Stated Percentage 4.52%          
Debt Instrument, Periodic Payment $ 1,975          
Debt Instrument, Maturity Date Jan. 31, 2022          
Bankwell Bank[ [Member] | Guarantee Obligations [Member] | Maximum [Member]            
Long-term Line of Credit $ 1,000,000          
Bankwell Bank[ [Member] | Line of Credit [Member]            
Line of Credit Facility, Maximum Borrowing Capacity   $ 20,000,000   $ 15,000,000 $ 7,000,000 $ 5,000,000
Line of Credit Facility, Interest Rate at Period End 5.83%          
Line of Credit Facility, Expiration Date Jun. 30, 2019          
Debt Instrument, Interest Rate Terms The interest rate on the Bankwell Credit Line is variable at 4.5% in excess of the London Interbank Offered Rate (LIBOR), but in no event less than 5.50%, per annum, on the money in use          
Debt Instrument, Term 2 years          
Debt Instrument, Maturity Date Jun. 30, 2019