Annual report pursuant to Section 13 and 15(d)

Fair Value - Changes in Level 3 Securities (Details)

v3.6.0.2
Fair Value - Changes in Level 3 Securities (Details) - Level 3 [Member] - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 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 781,154 (1,428,243)
Return of Capital Adjustments Impacting Cost Basis of Securities 112,372 249,745
Fair Value Ending Balance 9,287,209 8,393,683
Changes in Unrealized Losses, Included In Net Income, Relating to Securities Still Held 781,154 (1,428,243)
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 781,154 (1,073,243)
Return of Capital Adjustments Impacting Cost Basis of Securities 112,372 249,745
Fair Value Ending Balance 9,287,209 8,393,683
Changes in Unrealized Losses, Included In Net Income, Relating to Securities Still Held 781,154 (1,073,243)
Warrant Investment [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value Beginning Balance $ 0 355,000
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)