Fair Value Measurements (Reconciliation Of Changes In The Fair Value Of Liabilities) (Details) - Warrant Liabilities [Member] - USD ($) |
3 Months Ended | 12 Months Ended | |
---|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
Balance | $ 41,717 | $ 2,307,586 | $ 7,853,635 |
Unrealized losses, net | 58,392 | (2,265,869) | (5,546,049) |
Balance | $ 100,109 | $ 41,717 | $ 2,307,586 |
X | ||||||||||
- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Unrealized (Gains) Losses No definition available.
|
X | ||||||||||
- 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.
|
X | ||||||||||
- Definition Fair value of financial instrument classified as a liability 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
|
X | ||||||||||
- Details
|