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Schedule of Warrant Derivative Liabilities (Details) | Jun. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Measurement Input, Expected Term [Member] | Strome Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants and Rights Outstanding, Term | 1 year 11 months 15 days | 2 years 5 months 12 days | 3 years 5 months 12 days
Measurement Input, Expected Term [Member] | B. Riley Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants and Rights Outstanding, Term | 4 years 3 months 18 days | 4 years 9 months 14 days | 5 years 9 months 18 days
Measurement Input, Risk Free Interest Rate [Member] | Strome Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 0.25 | 0.13 | 1.62
Measurement Input, Risk Free Interest Rate [Member] | B. Riley Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 0.67 | 0.36 | 1.76
Measurement Input, Price Volatility [Member] | Strome Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 147.10 | 150.55 | 144.56
Measurement Input, Price Volatility [Member] | B. Riley Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 134.44 | 140.95 | 127.63
Measurement Input, Expected Dividend Rate [Member] | Strome Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 0 | 0 | 0.0
Measurement Input, Expected Dividend Rate [Member] | B. Riley Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 0 | 0 | 0.0
Transaction Date Closing Market [Member] | Strome Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 0.78 | 0.60 |
Transaction Date Closing Market [Member] | B. Riley Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 0.78 | 0.60 |
Measurement Input, Exercise Price [Member] | Strome Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 0.50 | 0.50 |
Measurement Input, Exercise Price [Member] | B. Riley Warrants [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrants measurement input | 1.00 | 1.00 |

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- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: 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=123874694&loc=d3e19207-110258 + Details
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