Annual report pursuant to Section 13 and 15(d)

Fair Value - Changes in Level 3 Securities on Recurring Basis (Details)

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Fair Value - Changes in Level 3 Securities on Recurring Basis (Details) - Level 3
12 Months Ended
Dec. 31, 2018
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Fair Value Beginning Balance $ 2,958,315
Acquisitions 0
Disposals (449,067)
Total Realized and Unrealized Losses Included in Net Income (1,845,309)
Return of Capital Adjustments Impacting Cost Basis of Securities (663,939)
Fair Value Ending Balance 0
Changes in Unrealized Gains Included In Net Income, Relating to Securities Still Held 0
Other equity securities  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Fair Value Beginning Balance 2,958,315
Acquisitions 0
Disposals (449,067)
Total Realized and Unrealized Losses Included in Net Income (1,845,309)
Return of Capital Adjustments Impacting Cost Basis of Securities (663,939)
Fair Value Ending Balance 0
Changes in Unrealized Gains Included In Net Income, Relating to Securities Still Held $ 0