Investments and Fair Value of Financial Instruments - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Warrants [Member] - USD ($) |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Investments in and Advances to Affiliates [Line Items] | |||
| Balance beginning | $ 7,840 | $ 26,401 | $ 42,688 |
| Unrealized loss | (1,773) | (18,561) | (16,287) |
| Balance ending | $ 6,067 | $ 7,840 | $ 26,401 |
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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- Details
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