Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Changes in Level 3 Securities (Details)

v3.5.0.2
Fair Value - Changes in Level 3 Securities (Details) - Level 3 [Member] - USD ($)
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value Beginning Balance $ 8,393,683 $ 9,572,181
Acquisitions 0 0
Disposals 0 0
Total Realized and Unrealized Gains/(Losses) Included in Net Income 958,443 (1,197,438)
Return of Capital Adjustments Impacting Cost Basis of Securities 113,610 283,325
Fair Value Ending Balance 9,465,736 8,658,068
Changes in Unrealized Losses, Included In Net Income, Relating to Securities Still Held 958,443 (1,197,438)
Other Equity Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value Beginning Balance 8,393,683 9,217,181
Acquisitions 0 0
Disposals 0 0
Total Realized and Unrealized Gains/(Losses) Included in Net Income 958,443 (842,438)
Return of Capital Adjustments Impacting Cost Basis of Securities 113,610 283,325
Fair Value Ending Balance 9,465,736 8,658,068
Changes in Unrealized Losses, Included In Net Income, Relating to Securities Still Held $ 958,443 (842,438)
Warrant Investment [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value Beginning Balance   355,000
Acquisitions   0
Disposals   0
Total Realized and Unrealized Gains/(Losses) Included in Net Income   (355,000)
Return of Capital Adjustments Impacting Cost Basis of Securities   0
Fair Value Ending Balance   0
Changes in Unrealized Losses, Included In Net Income, Relating to Securities Still Held   $ (355,000)