Fair Value Measurement - Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | $ 5,010,165 | $ 49,971 |
| Accrued Income | 1,442 | 30 |
| Unrealized Gains | ||
| Unrealized Losses | ||
| Fair Value | 5,011,607 | 50,001 |
| Fair Value, Inputs, Level 2 [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 5,010,165 | 49,971 |
| Accrued Income | 1,442 | 30 |
| Unrealized Gains | ||
| Unrealized Losses | ||
| Fair Value | 5,011,607 | 50,001 |
| Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 5,165 | 29,657 |
| Accrued Income | 161 | 15 |
| Unrealized Gains | ||
| Unrealized Losses | ||
| Fair Value | 5,326 | 29,672 |
| Fair Value, Inputs, Level 2 [Member] | Municipal Securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 5,005,000 | 20,314 |
| Accrued Income | 1,281 | 15 |
| Unrealized Gains | ||
| Unrealized Losses | ||
| Fair Value | $ 5,006,281 | $ 20,329 |
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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