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Fair Value Measurements - Schedule of Valuation Activity for Warrants Accounted for Derivative Liability (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Strome Warrants [Member] |  |
Carrying value beginning period | $ 704,707 | $ 1,036,687
Change in valuation of warrant derivative liabilities | 398,861 | (110,081)
Carrying value at end of the period | 1,103,568 | 926,606
B. Riley Warrants [Member] |  |
Carrying value beginning period | 443,188 | 607,513
Change in valuation of warrant derivative liabilities | 266,175 | (29,138)
Carrying value at end of the period | 709,363 | 578,375
Warrants [Member] |  |
Carrying value beginning period | 1,147,895 | 1,644,200
Change in valuation of warrant derivative liabilities | 665,036 | (139,219)
Carrying value at end of the period | $ 1,812,931 | $ 1,504,981

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- Definition Amount of increase (decrease) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258 + Details
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