Quarterly report pursuant to Section 13 or 15(d)

Line of Credit and Mortgage Payable (Details Textual)

v3.10.0.1
Line of Credit and Mortgage Payable (Details Textual) - USD ($)
1 Months Ended 6 Months Ended 9 Months Ended
May 11, 2018
Dec. 18, 2014
Jun. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Line of Credit Facility, Maximum Borrowing Capacity $ 43,200,000          
Debt Instrument, Interest Rate, Stated Percentage 4.00%     6.26%    
Long-term Line of Credit       $ 27,260,147   $ 9,841,613
Line of Credit, Current       27,300,000    
Proceeds from Lines of Credit       61,067,401 $ 25,341,633  
Repayments of Lines of Credit       43,648,867 $ 17,534,390  
Payments for Working Capital       1,400,000    
Maximum percentage of borrowing capacity 75.00%          
Mortgages [Member]            
Debt Instrument, Face Amount       $ 310,000    
Debt Instrument, Interest Rate, Stated Percentage       4.52%    
Debt Instrument, Periodic Payment       $ 1,975    
Bankwell Credit Line [Member] | Minimum [Member] | Prime Rate [Member]            
Line of Credit Facility, Interest Rate During Period   6.25%        
Revolving Credit Facility [Member]            
Proceeds from Issuance of Long-term Debt $ 35,000,000          
Bankwell Bank[ [Member]            
Debt Instrument, Basis Spread on Variable Rate   3.00%        
Line of Credit, Current   $ 15,000,000        
Repayments of Lines of Credit       $ 18,600,000    
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   $ 5,000,000 $ 20,000,000      
Debt Instrument, Interest Rate, Stated Percentage     5.50% 6.79%    
Debt Instrument, Basis Spread on Variable Rate     4.50%      
Webster Business Credit Corporation [Member]            
Proceeds from Lines of Credit       $ 20,200,000    
Webster Business Credit Corporation [Member] | Line of Credit [Member]            
Debt Instrument, Interest Rate, Stated Percentage       6.09%