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Bank Debt (Details Textual)
12 Months Ended
Dec. 31, 2019
USD ($)
ft²
Dec. 31, 2018
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Sep. 30, 2010
USD ($)
Bank Debt (Textual)          
Debt issue costs $ 1,971      
Interest Rate Swap [Member]          
Bank Debt (Textual)          
Variable interest rate with LIBOR, description Interest rates based on the one-month LIBOR plus a margin of 3.25% and 2.25% to fixed rates of 6.04% and 4.38%, respectively. As of the debt principal repayment date immediately preceding December 31, 2019, the variable rates on these two mortgage notes were 4.99% and 4.04%, respectively        
Original notional amount $ 2,637,467        
Line of Credit [Member]          
Bank Debt (Textual)          
Credit facility aggregate value     $ 6,500,000 $ 4,500,000  
Variable interest rate with LIBOR, description   Interest on borrowings against the line of credit is variable at the higher of 4.25% per annum or the one-month LIBOR plus 3.5% per annum.      
Outstanding under line of credit $ 500,000      
Line of Credit [Member] | Loan 1 and Loan 2 [Member]          
Bank Debt (Textual)          
Debt issue costs 26,489        
Line of Credit [Member] | Loan 1 and Loan 2 [Member]          
Bank Debt (Textual)          
Debt issue costs 34,125        
Line of Credit [Member] | Loan 3 and Loan 4 and Loan 5 [Member]          
Bank Debt (Textual)          
Debt issue costs $ 114,806        
Loan Four [Member] | Line of Credit [Member]          
Bank Debt (Textual)          
Variable interest rate with LIBOR, description These notes bear interest at a variable rate equal to the one-month LIBOR plus a margin of 2.25%.        
Variable interest rate 3.96%        
Loan Five [Member] | Line of Credit [Member]          
Bank Debt (Textual)          
Variable interest rate with LIBOR, description This note bears interest at a variable rate equal to the one-month LIBOR plus a margin of 2.25%.        
Variable interest rate 4.01%        
Td Bank [Member] | Line of Credit [Member]          
Bank Debt (Textual)          
Credit facility aggregate value         $ 500,000
Td Bank [Member] | Loan One [Member]          
Bank Debt (Textual)          
Proceeds from issuance of loan $ 1,000,000        
Interest payments, term 10 years        
Loan amortization, term 15 years        
Balloon principal payment $ 451,885        
Balloon principal payment due, description Due during the third quarter of 2020.        
Outstanding amount of loan $ 493,696        
Td Bank [Member] | Loan Two [Member]          
Bank Debt (Textual)          
Proceeds from issuance of loan $ 2,500,000        
Interest payments, term 10 years        
Loan amortization, term 20 years        
Balloon principal payment $ 1,550,000        
Balloon principal payment due, description Due during the third quarter of 2025.        
Outstanding amount of loan $ 2,143,771        
Td Bank [Member] | Loan Three [Member]          
Bank Debt (Textual)          
Proceeds from issuance of loan $ 3,940,000        
Loan amortization, term 7 years        
Outstanding amount of loan $ 3,236,429        
Variable interest rate with LIBOR, description Variable rate equal to the one-month LIBOR (adjusted at each monthly payment date) plus a margin of 2.25% through September 2018, at which time the loan converted to a seven-year term loan facility at the same variable interest rate (which was equal to 3.96% as of December 31, 2019)        
Loan conversion, term 7 years        
Td Bank [Member] | Loan Four [Member]          
Bank Debt (Textual)          
Proceeds from issuance of loan $ 2,560,000        
Interest payments, term 10 years        
Loan amortization, term 20 years        
Balloon principal payment $ 1,408,000        
Balloon principal payment due, description Due during the first quarter of 2027.        
Outstanding amount of loan $ 2,336,000        
Variable interest rate with LIBOR, description Variable rate equal to the one-month LIBOR (adjusted at each monthly payment date) plus a margin of 2.25% through March 2018, at which time the loan converted to a term loan facility at the same variable interest rate (which was equal to 3.96% as of December 31, 2019)        
Td Bank [Member] | Loan Five [Member]          
Bank Debt (Textual)          
Proceeds from issuance of loan $ 340,000        
Interest payments, term 10 years        
Loan amortization, term 20 years        
Balloon principal payment $ 206,000        
Balloon principal payment due, description Due during the first quarter of 2027.        
Outstanding amount of loan $ 309,182        
Variable interest rate with LIBOR, description Variable rate equal to the one-month LIBOR (adjusted at each monthly payment date) plus a margin of 2.25% (which was equal to 4.01% as of December 31, 2019)        
Warehouse and storage facility | ft² 4,114