Annual report pursuant to Section 13 and 15(d)

Line of Credit and Mortgage Payable (Details Textual)

v3.8.0.1
Line of Credit and Mortgage Payable (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Mar. 15, 2016
Dec. 30, 2015
Dec. 18, 2014
Long-term Line of Credit   $ 9,841,613 $ 8,113,943      
Amortization of Debt Issuance Costs   $ 59,118 47,676      
Minimum ownership required for guarantor, shares   500,000        
Business Exit Costs   $ 200,000        
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 Credit Line [Member]            
Payments of Financing Costs   $ 87,000 $ 65,000      
Bankwell Credit Line [Member] | Prime Rate [Member]            
Line of Credit Facility, Interest Rate During Period     3.75%      
Bankwell Credit Line [Member] | Minimum [Member] | Prime Rate [Member]            
Line of Credit Facility, Interest Rate During Period   6.25%        
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   6.19%        
Line of Credit Facility, Expiration Date   Jun. 30, 2019        
Debt Instrument, Interest Rate, Stated Percentage 5.50%          
Debt Instrument, Interest Rate Terms   The interest rate on the Bankwell Credit Line is variable at 3% in excess of the Wall Street Journal prime rate (3.75% at December 31, 2016), but in no event less than 6.25%, per annum, on the money in use.        
Debt Instrument, Term   2 years        
Debt Instrument, Description of Variable Rate Basis LIBOR Rate plus 4.50%          
Debt Instrument, Basis Spread on Variable Rate 4.50%