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v3.19.1

Convertible Debt - Related Party (Detail Textuals) - USD ($) |  |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 01, 2018 | Oct. 05, 2018 | Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |
Warrants |  |  | $ 2,014,101 |  | $ 1,297,991 | $ 982,911 |
Derivative liability |  |  | 29,295,042 | $ 8,589,472 | 15,958,366 | 823,037 | $ 1,231,129
Convertible multi-draw credit agreement issuance costs |  |  |  |  | 53,707 |  |
Fair value of derivative liabilities in excess of proceeds |  |  | 322,644 | 7,174,634 | 7,174,634 |  |
Multi-Draw Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Warrants | $ 2,000,000 |  | $ 2,000,000 |  |  |  |
Number of warrant issued | 2,500,000 |  | 5,000,000 |  |  |  |
Beneficial conversion feature | $ 90,080 |  | $ 1,584,850 |  |  |  |
Derivative liability | 204,102 |  | $ 516,058 |  |  |  |
Effective interest rate |  |  | 9.89% |  |  |  |
Carrying value of the equity component |  |  | $ 10,350,000 |  | 2,000,000 |  |
If-converted value exceeded the principal balance |  |  | 4,350,000 |  |  |  |
Allocation of debt on the basis of relative fair value | 1,684,920 |  | 716,110 |  |  |  |
Allocation of warrant on the basis of relative fair value | $ 315,080 |  | 3,283,890 |  |  |  |
Convertible multi-draw credit agreement issuance costs |  |  | $ 63,007 |  | $ 53,707 |  |
Unamortized debt discount period |  |  | 3 years 6 months 7 days |  | 3 years 9 months 4 days |  |
Aggregate Principal Amount |  |  | $ 4,000,000 |  |  |  |
Emerald Financing Warrant Liability |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Derivative liability |  |  | $ 27,490,735 | $ 8,106,034 | $ 15,251,413 | $ 0 |
Emerald Financing Warrant Liability | Multi-Draw Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum amount that can be borrowed over the life of the credit facility |  | $ 20,000,000 |  |  |  |  |
The annual stated interest rate on the debt instrument |  | 7.00% |  |  |  |  |
Maturity date |  | Oct. 05, 2022 |  |  |  |  |
Conversion price |  | $ 0.40 |  |  |  |  |
Unused portion of the credit facility |  | $ 18,000,000 |  |  |  |  |
Warrant exercise price |  | $ 0.50 |  |  |  |  |
Warrant coverage on the debt facility |  | 50.00% |  |  |  |  |

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- Definition Represents allocation of debt on the basis of relative fair value. + References No definition available. + Details
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- Definition Represents allocation of warrant on the basis of relative fair value. + References No definition available. + Details
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- Definition Amount of convertible multi-draw credit agreement issuance costs. + References No definition available. + Details
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- Definition Amount of expense (income) related to fair value of warrant liability in excess of proceeds. + References No definition available. + Details
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- Definition Percentage of amount need to be issued against warrant purchase. + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 + Details
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- Definition The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + Details
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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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- Definition Amount of the fee for available but unused credit capacity under the credit facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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