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Investments in Securities and Fair Value Schedule of Estimated Fair Value Hierarchy of Investments and Related Impairments Recognized (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total at Estimated Fair Value | $ 0 | $ 163,350
Impairment Losses | 0 | (233,069)
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total at Estimated Fair Value | 0 | 0
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total at Estimated Fair Value | 0 | 0
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total at Estimated Fair Value | $ 0 | $ 163,350
Cost-basis investments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Valuation Method | Fair Value | Fair Value
Impaired | Yes | Yes
Total at Estimated Fair Value | $ 0 | $ 163,350
Impairment Losses | 0 | (233,069)
Cost-basis investments | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total at Estimated Fair Value | 0 | 0
Cost-basis investments | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total at Estimated Fair Value | 0 | 0
Cost-basis investments | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total at Estimated Fair Value | $ 0 | $ 163,350

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