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 ($)
6 Months Ended
Jun. 30, 2016
Jun. 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 (472,416) 211,311
Return of Capital Adjustments Impacting Cost Basis of Securities 114,869 316,313
Fair Value Ending Balance 8,036,136 10,099,805
Changes in Unrealized Losses, Included In Net Income, Relating to Securities Still Held (472,416) 211,311
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 (472,416) 451,311
Return of Capital Adjustments Impacting Cost Basis of Securities 114,869 316,313
Fair Value Ending Balance 8,036,136 9,984,805
Changes in Unrealized Losses, Included In Net Income, Relating to Securities Still Held $ (472,416) 451,311
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   (240,000)
Return of Capital Adjustments Impacting Cost Basis of Securities   0
Fair Value Ending Balance   115,000
Changes in Unrealized Losses, Included In Net Income, Relating to Securities Still Held   $ (240,000)