v3.8.0.1
DEBT (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Feb. 28, 2018
Mar. 31, 2018
Dec. 31, 2017
Debt Instrument [Line Items]      
Loans To Assets Ratio   60.00%  
Debt Instrument, Face Amount   $ 79,317,586 $ 62,228,409
New Credit Facility [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity $ 12,000,000    
New Credit Facility [Member] | Unsecured Debt [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity $ 9,000,000    
Line of Credit Facility, Interest Rate Description Under the terms of the New Credit Facility, Borrowers pay a variable rate of interest on outstanding amounts equal to one (1) percentage point over an independent index published in The Wall Street Journal based on the highest rate on corporate loans posted by at least 75% of the largest banks (the Index).    
Line of Credit Facility, Interest Rate at Period End   5.75%  
Line of Credit Facility, Expiration Date Jan. 26, 2019    
Credit Facility, Guarantee Executed, Description The New Credit Facility is secured by guaranties executed by Raymond E. Wirta, Chairman of the Board of the Company, a trust belonging to Mr. Wirta, Harold C. Hofer, President and Chief Executive Officer of the Company, and a trust belonging to Mr. Hofer, each in the amount of $9,000,000. Such guaranties become effective upon certain triggering events, including an event of default under the New Credit Facility and the failure by Borrowers to pay one or more subsequent advances within 90 days of disbursement.    
Line of Credit Facility, Interest Rate at Period Start 5.50%    
Mortgage Note Payable Twelve [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Face Amount   $ 14,575,000  
Debt Instrument, Interest Rate, Effective Percentage   4.84%  
Debt Instrument, Maturity Date   Mar. 27, 2028  
Debt Instrument, Term   5 years  
Debt Instrument, Interest Rate Terms   4.84% for the first five years and the greater of 4.60% or 5-Year Treasury Constant Maturity plus 2.5 % for the second five years