XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value Measurements (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Fair Value Disclosures [Abstract] |
Schedule of Warrant Derivative Liabilities | The following table presents the assumptions used for the warrant derivative liabilities under the Black-Scholes option-pricing model:
|  | As of March 31, 2021 |  |  | As of December 31, 2020 |
|  |  | Strome Warrants |  |  |  | B. Riley Warrants |  |  |  | Strome Warrants |  |  |  | B. Riley Warrants |
Expected life |  |  | 2.21 |  |  |  | 4.55 |  |  |  | 2.45 |  |  |  | 4.79 |
Risk-free interest rate |  |  | 0.16 | % |  |  | 0.92 | % |  |  | 0.13 | % |  |  | 0.36 | %
Volatility factor |  |  | 150.37 | % |  |  | 151.48 | % |  |  | 150.55 | % |  |  | 140.95 | %
Dividend rate |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Transaction date closing market price |  | $ | 0.91 |  |  | $ | 0.91 |  |  | $ | 0.60 |  |  | $ | 0.60 |
Exercise price |  | $ | 0.50 |  |  | $ | 1.00 |  |  | $ | 0.50 |  |  | $ | 1.00 |
Schedule of Valuation Activity for Warrants Accounted for Derivative Liability | The following table represents the carrying amounts and change in valuation for the Company’s warrants accounted for as a derivative liability and classified within Level 3 of the fair-value hierarchy:
|  | As of and for the Three Months Ended March 31, 2021 |  |  | As of and for the Three Months Ended March 31, 2020 |
|  | Carry Amount at Beginning of Period |  |  | Change in Valuation |  |  | Carrying Amount at End of Period |  |  | Carry Amount at Beginning of Period |  |  | Change in Valuation |  |  | Carrying Amount at End of Period |
Strome Warrants |  | $ | 704,707 |  |  | $ | 398,861 |  |  | $ | 1,103,568 |  |  | $ | 1,036,687 |  |  | $ | (110,081 | ) |  | $ | 926,606 |
B. Riley Warrants |  |  | 443,188 |  |  |  | 266,175 |  |  |  | 709,363 |  |  |  | 607,513 |  |  |  | (29,138 | ) |  |  | 578,375 |
Total |  | $ | 1,147,895 |  |  | $ | 665,036 |  |  | $ | 1,812,931 |  |  | $ | 1,644,200 |  |  | $ | (139,219 | ) |  | $ | 1,504,981 |

X
- Definition Schedule of valuation activity for the warrants accounted for derivative liability [Table text block] + References No definition available. + Details
Name: | MVEN_ScheduleOfValuationActivityForWarrantsAccountedForDerivativeLiabilityTableTextBlock
Namespace Prefix: | MVEN_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of warrant derivative liabilities. + References No definition available. + Details
Name: | MVEN_ScheduleOfWarrantDerivativeLiabilitiesTableTextBlock
Namespace Prefix: | MVEN_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration