Crypto Asset Fair Value Per Share.

No definition available.

Name:	mpu_CryptoAssetFairValuePerShare
Namespace Prefix:	mpu_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of crypto asset. Excludes crypto asset held for platform user.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476163/350-60-45-1

+ Details

Name:	us-gaap_CryptoAssetFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

+ Details

Name:	us-gaap_CryptoAssetHoldingLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of restricted and unrestricted crypto asset units held. Excludes crypto asset units held for platform user.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

+ Details

Name:	us-gaap_CryptoAssetNumberOfUnits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of increase (decrease) in crypto asset. Excludes crypto asset held for platform user.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-3

+ Details

Name:	us-gaap_CryptoAssetPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_CryptoAssetAxis=mpu_BTCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CryptoAssetAxis=mpu_ENAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CryptoAssetAxis=mpu_ETHMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CryptoAssetAxis=mpu_USDTMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CryptoAssetAxis=mpu_AAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByAssetClassAxis=mpu_DigitalAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Digital Assets (Details)	6 Months Ended
Digital Assets (Details)	Jun. 30, 2026 USD ($) Cryptocurrencies $ / shares	Jun. 30, 2025 USD ($) Cryptocurrencies	Dec. 31, 2025 USD ($) Cryptocurrencies	Dec. 31, 2024 USD ($)
BTC [Member]
Digital Assets [Line Items]
Recognized an increase in fair value	$ 723,600	$ 19,000
Crypto units \| Cryptocurrencies		12	25
Fair value	$ 1,464,000	$ 1,285,600	$ 2,187,600
ENA [Member]
Digital Assets [Line Items]
Crypto units \| Cryptocurrencies	5,203,582		5,203,582
Fair value	$ 374,900		$ 1,038,700
ETH [Member]
Digital Assets [Line Items]
Recognized an increase in fair value	$ (1,800)
Crypto units \| Cryptocurrencies	3,373
Fair value	$ 1,600
USDT [Member]
Digital Assets [Line Items]
Crypto units \| Cryptocurrencies	433,200		2,534,100
Fair value	$ 433,200	83,100	$ 2,534,100
AA [Member]
Digital Assets [Line Items]
Recognized an increase in fair value	$ 198,100
Crypto units \| Cryptocurrencies	1,050,000
Fair value	$ 1,248,100
Digital Assets [Member] \| BTC [Member]
Digital Assets [Line Items]
Fair value		$ 1,285,600
Digital Assets [Member] \| ENA [Member]
Digital Assets [Line Items]
Recognized an increase in fair value	663,800
Digital Assets [Member] \| ETH [Member]
Digital Assets [Line Items]
Recognized an increase in fair value	$ 1,800
Digital Assets [Member] \| USDT [Member]
Digital Assets [Line Items]
Crypto units \| Cryptocurrencies	301,333,333
Fair value per share (in Dollars per share) \| $ / shares	$ 1
Digital Assets [Member] \| AA [Member]
Digital Assets [Line Items]
Crypto units \| Cryptocurrencies	301,333,333