Expense Example	Oct. 28, 2026 USD ($)
AAMA Equity Fund \| AAMA Equity Fund Shares
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 119
Expense Example, with Redemption, 3 Years	372
Expense Example, with Redemption, 5 Years	644
Expense Example, with Redemption, 10 Years	1,420
AAMA Income Fund \| AAMA Income Fund Shares
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	87
Expense Example, with Redemption, 3 Years	303
Expense Example, with Redemption, 5 Years	538
Expense Example, with Redemption, 10 Years	$ 1,211

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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