Fresh Start Accounting (Details) - Schedule of reflects cumulative impacts of reorganization adjustments - Reorganization Value [Member] - USD ($)		9 Months Ended
		Sep. 30, 2021	Sep. 29, 2021
Predecessor [Member]
Assets:
Cash and cash equivalents			$ 10,527,200
Accounts receivable
Finance leases receivable, net			450,000
Taxes receivable			1,234,500
Prepaid expenses and other assets			1,884,400
Goodwill
Assets held for sale			31,149,300
Total assets			45,245,400
LIABILITIES AND STOCKHOLDERS’ DEFICIT
Accounts payable and accrued expenses			1,513,700
Accrued payroll			232,100
Notes payable and accrued interest, net			38,675,300
Lease liability			780,500
Maintenance reserves			2,061,200
Accrued maintenance costs			46,100
Security deposits			466,000
Unearned revenues
Income taxes payable			19,600
Deferred tax liabilities			114,500
Subscription fee advanced from the Plan Sponsor			10,953,100
Total liabilities			54,862,100
Equity (Deficit):
Preferred stock
Common stock			7,700
Paid-in capital			16,811,900
Accumulated deficit			(23,399,000)
Total			(6,579,400)
Treasury stock			(3,037,300)
Total Mega Matrix Corp. (formerly “AeroCentury Corp.”) stockholders’ equity (deficit)			(9,616,700)
Total liabilities and Equity (Deficit)			45,245,400
Reorganization adjustments [Member]
Assets:
Cash and cash equivalents			98,400
Assets held for sale			(31,149,300)
Total assets			(31,050,900)
LIABILITIES AND STOCKHOLDERS’ DEFICIT
Accounts payable and accrued expenses			(1,600)
Notes payable and accrued interest, net			(38,675,300)
Lease liability			(780,500)
Maintenance reserves			(2,061,200)
Accrued maintenance costs			(46,100)
Security deposits			(466,000)
Subscription fee advanced from the Plan Sponsor			(10,953,100)
Total liabilities			(52,983,800)
Equity (Deficit):
Common stock			14,400
Paid-in capital			170,800
Accumulated deficit			18,710,400
Total			18,895,600
Treasury stock			3,037,300
Total Mega Matrix Corp. (formerly “AeroCentury Corp.”) stockholders’ equity (deficit)			21,932,900
Total liabilities and Equity (Deficit)			(31,050,900)
Fresh start adjustments [Member]
Assets:
Cash and cash equivalents
Accounts receivable
Finance leases receivable, net
Taxes receivable
Prepaid expenses and other assets
Goodwill	[1]		4,688,600
Assets held for sale
Total assets			4,688,600
LIABILITIES AND STOCKHOLDERS’ DEFICIT
Accounts payable and accrued expenses
Accrued payroll
Notes payable and accrued interest, net
Lease liability
Maintenance reserves
Accrued maintenance costs
Security deposits
Unearned revenues
Income taxes payable
Deferred tax liabilities
Subscription fee advanced from the Plan Sponsor
Total liabilities
Equity (Deficit):
Preferred stock
Common stock
Paid-in capital
Accumulated deficit	[1]		4,688,600
Total			4,688,600
Treasury stock
Total Mega Matrix Corp. (formerly “AeroCentury Corp.”) stockholders’ equity (deficit)			4,688,600
Total liabilities and Equity (Deficit)			$ 4,688,600
Successor [Member]
Assets:
Cash and cash equivalents		$ 10,625,600
Accounts receivable
Finance leases receivable, net		450,000
Taxes receivable		1,234,500
Prepaid expenses and other assets		1,884,400
Goodwill		4,688,600
Assets held for sale
Total assets		18,883,100
LIABILITIES AND STOCKHOLDERS’ DEFICIT
Accounts payable and accrued expenses		1,512,100
Accrued payroll		232,100
Notes payable and accrued interest, net
Lease liability
Maintenance reserves
Accrued maintenance costs
Security deposits
Unearned revenues
Income taxes payable		19,600
Deferred tax liabilities		114,500
Subscription fee advanced from the Plan Sponsor
Total liabilities		1,878,300
Equity (Deficit):
Preferred stock
Common stock		22,100
Paid-in capital		16,982,700
Accumulated deficit
Total		17,004,800
Treasury stock
Total Mega Matrix Corp. (formerly “AeroCentury Corp.”) stockholders’ equity (deficit)		17,004,800
Total liabilities and Equity (Deficit)		$ 18,883,100

[1] Reflects final instalment of subscription fees of $100,000 for 14,354,635 common stocks (given effect to five for one forward stock split) paid by the Plan Sponsor, against the bank charges of $1,600