Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details Textual)

v3.8.0.1
Subsequent Events (Details Textual) - USD ($)
Feb. 06, 2018
Mar. 16, 2018
Mar. 09, 2018
Mar. 06, 2018
Dec. 31, 2017
Dec. 31, 2016
Subsequent Event [Line Items]            
Interest Receivable         $ 645,493 $ 478,928
Other Receivables         $ 234,570 $ 182,842
Subsequent Event [Member]            
Subsequent Event [Line Items]            
Common Stock, Dividends, Per Share, Declared $ 0.105          
Payments of Dividends $ 1,618,653          
Accounts and Notes Receivable, Net   $ 517,000        
Interest Receivable     $ 14,877      
Other Receivables     $ 187,466      
Receivable with Imputed Interest, Face Amount       $ 250,000    
Dividends Payable, Date Declared Feb. 06, 2018          
Dividends Payable, Date to be Paid Feb. 27, 2018          
Dividends Payable, Date of Record Feb. 16, 2018