Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Carrying and Fair Value Amounts (Details)

v3.5.0.2
Fair Value - Carrying and Fair Value Amounts (Details) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Carrying Amount [Member]    
Financial Assets:    
Financing notes receivable   $ 7,675,626
Carrying Amount [Member] | Level 1 [Member]    
Financial Assets:    
Cash and cash equivalents $ 8,116,117 14,618,740
Carrying Amount [Member] | Level 2 [Member]    
Financial Assets:    
Escrow receivable 0 1,392,917
Financing notes receivable 1,500,000  
Hedged Derivative Asset 0 98,259
Financial Liabilities:    
Long-term debt 162,330,789 217,375,153
Line of credit 44,000,000 0
Hedged Derivative Liability 124,624 0
Fair Value [Member] | Level 1 [Member]    
Financial Assets:    
Cash and cash equivalents 8,116,117 14,618,740
Fair Value [Member] | Level 2 [Member]    
Financial Assets:    
Escrow receivable 0 1,392,917
Financing notes receivable 1,500,000 7,675,626
Hedged Derivative Asset 0 98,259
Financial Liabilities:    
Long-term debt 166,427,075 193,573,834
Line of credit 44,000,000 0
Hedged Derivative Liability $ 124,624 $ 0