Investments and Fair Value of Financial Instruments - Available-for-sale Securities (Details) - USD ($) |
Jun. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Accumulated unrealized (losses) gains related to investments at fair value | $ (66,171) | $ (33,058) |
| X | ||||||||||
- Definition Amount of accumulated unrealized gains or losses on investments in affiliates at fair value. No definition available.
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| X | ||||||||||
- References No definition available.
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