Annual report pursuant to Section 13 and 15(d)

Fair Value - Assets and Liabilities Measured on a Recurring Basis (Details)

v3.6.0.2
Fair Value - Assets and Liabilities Measured on a Recurring Basis (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Assets:    
Other equity securities $ 9,287,209 $ 8,393,683
Total Assets 9,307,159 8,491,942
Interest Rate Swap [Member]    
Assets:    
Derivative asset 19,950 98,259
Level 1 [Member]    
Assets:    
Other equity securities 0 0
Total Assets 0 0
Level 1 [Member] | Interest Rate Swap [Member]    
Assets:    
Derivative asset 0 0
Level 2 [Member]    
Assets:    
Other equity securities 0 0
Total Assets 19,950 98,259
Level 2 [Member] | Interest Rate Swap [Member]    
Assets:    
Derivative asset 19,950 98,259
Level 3 [Member]    
Assets:    
Other equity securities 9,287,209 8,393,683
Total Assets 9,287,209 8,393,683
Level 3 [Member] | Interest Rate Swap [Member]    
Assets:    
Derivative asset $ 0 $ 0