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Marketable Securities and Fair Value Disclosures - Summary of Marketable securities (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Fair Value	$ 0
Short-term available-for-sale securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		$ 3,052,000
Gross Unrealized Losses		(2,000)
Fair Value		3,050,000
Short-term available-for-sale securities | Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		3,052,000
Gross Unrealized Losses		(2,000)
Fair Value		$ 3,050,000

X

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Section 50
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+ References

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+ References

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