Note 4 - Summary of Significant Accounting Policies - Components of Lease Income/Expense (Details)	9 Months Ended
Sep. 30, 2020 AUD ($)
Fixed payment operating lease expense	$ 563,169
Variable payment operating lease expense	0
Short-term lease expense	75,716
Sub-lease income	$ 141,734

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of sublease income excluding finance and operating lease expense.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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