INCOME TAXES - Schedule of Net Operating Losses (Details) - USD ($)	Dec. 31, 2021	Jun. 30, 2021	Jun. 30, 2020
Income Tax Contingency [Line Items]
Operating loss carryforwards	$ 8,069,011	$ 6,074,775	$ 4,292,799
U.S. - Federal
Income Tax Contingency [Line Items]
Operating loss carryforwards	4,660,187	2,933,123	1,504,314
U.S. - State
Income Tax Contingency [Line Items]
Operating loss carryforwards	712,124	468,309	196,094
Foreign Tax Authority | Australia - Federal
Income Tax Contingency [Line Items]
Operating loss carryforwards	2,481,828	2,458,482	2,377,520
Foreign Tax Authority | Australia - Capital
Income Tax Contingency [Line Items]
Operating loss carryforwards	$ 214,872	$ 214,872	$ 214,872