Note 4 - Summary of Significant Accounting Polices - Other Comprehensive Income (Loss) (Details) - AUD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Foreign currency translation reserve, before tax			$ 29,511	$ (21,426)
Foreign currency translation reserve, tax (expense) benefit			0	0
Foreign currency translation reserve	$ 8,250	$ (6,774)	29,511	(21,426)
Reclassification for gains realised in net income, before tax			0	0
Reclassification for gains realised in net income, tax (expense) benefit			0	0
Reclassification for gains realised in net income, net of tax			0	0
Other comprehensive income, before tax			29,511	(21,426)
Other comprehensive income, tax (expense) benefit			0	0
Other comprehensive income/(loss)	8,250	(6,774)	29,511	(21,426)
Foreign currency translation reserve, before tax			(29,511)	21,426
Foreign currency translation reserve, net of tax	(8,250)	6,774	(29,511)	21,426
Other comprehensive loss, before tax			(29,511)	21,426
Other comprehensive loss, net of tax	$ (8,250)	$ 6,774	$ (29,511)	$ 21,426