2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value of Financial Instruments (Details) - USD ($)	Sep. 30, 2021	Sep. 30, 2020
Net Investment Income [Line Items]
Derivative Asset	$ 4,905,656	$ 2,115,269
Equity Securities, FV-NI, Current	260,772	460,000
Amount [Member]
Net Investment Income [Line Items]
Derivative Asset	4,905,656	2,115,269
Equity Securities, FV-NI, Current	10,772	210,000
Debt Securities	494,608	500,000
Business Combination, Contingent Consideration, Asset	820,802	750,000
Financial Instruments, Owned, Principal Investments, at Fair Value	6,231,838	3,575,269
Level 1
Net Investment Income [Line Items]
Derivative Asset
Equity Securities, FV-NI, Current	10,772	210,000
Debt Securities
Business Combination, Contingent Consideration, Asset
Financial Instruments, Owned, Principal Investments, at Fair Value	10,772	210,000
Level 2
Net Investment Income [Line Items]
Derivative Asset
Equity Securities, FV-NI, Current
Debt Securities
Business Combination, Contingent Consideration, Asset
Financial Instruments, Owned, Principal Investments, at Fair Value
Level 3
Net Investment Income [Line Items]
Derivative Asset	4,905,656	2,115,269
Equity Securities, FV-NI, Current
Debt Securities	494,608	500,000
Business Combination, Contingent Consideration, Asset	820,802	750,000
Financial Instruments, Owned, Principal Investments, at Fair Value	$ 6,221,066	$ 3,365,269

Amount of asset recognized arising from contingent consideration in a business combination.

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Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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The fair value as of the balance sheet date of firm holdings in private equity, mezzanine, venture capital, merchant banking, real estate and special situations investments. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

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