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ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($)	Sep. 30, 2021	Sep. 30, 2020
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Accrued expense - other	$ 2,051,696	$ 16,021,442
Accrued payroll	4,586,057	3,771,874
Accrued interest	12,489,012	2,358,273
Total	19,126,765	22,151,589
Delinquent IRS and state tax liabilities	$ 3,904,720	3,987,596
AirSign advertising contract
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Advertising obligations		13,600,000
RedRock Outdoor Advertising, Inc. contract
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Advertising obligations		$ 1,400,000

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for advertising of the entity's goods and services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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