XML 48 R37.htm IDEA: XBRL DOCUMENT v3.3.1.900
Concentration of Credit Risk (Details)
12 Months Ended
Dec. 31, 2015
USD ($)
Customer
Dec. 31, 2014
USD ($)
Customer
Concentration Risk [Line Items]    
Number of significant customers | Customer 3 4
Operating leases, minimum future lease revenue payments receivable under noncancelable leases [Abstract]    
2016 $ 22,041,900  
2017 18,391,300  
2018 14,351,200  
2019 13,651,900  
2020 12,510,100  
Thereafter 25,086,200  
Total 106,032,600  
Receivable [Member]    
Concentration Risk [Line Items]    
Payment received 1,473,700  
Insurance Claim [Member] | Receivable [Member]    
Concentration Risk [Line Items]    
Receivables $ 1,201,800  
Customer One [Member] | Lease Revenue [Member]    
Concentration Risk [Line Items]    
Lease revenues and receivables from significant customers 17.00% 20.00%
Customer Two [Member] | Lease Revenue [Member]    
Concentration Risk [Line Items]    
Lease revenues and receivables from significant customers 16.00% 18.00%
Customer Three [Member] | Lease Revenue [Member]    
Concentration Risk [Line Items]    
Lease revenues and receivables from significant customers 15.00% 14.00%
Customer Four [Member] | Lease Revenue [Member]    
Concentration Risk [Line Items]    
Lease revenues and receivables from significant customers   11.00%
Two Customers [Member] | Receivable [Member]    
Concentration Risk [Line Items]    
Lease revenues and receivables from significant customers   56.00%
Receivables   $ 1,130,000
Three Customers [Member] | Receivable [Member]    
Concentration Risk [Line Items]    
Lease revenues and receivables from significant customers 51.00%  
Receivables $ 2,719,700