LEASES - Components of Lease Costs and Other Lease Information (Details) - USD ($)	6 Months Ended	12 Months Ended
	Dec. 31, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Assets
Operating lease right-of-use assets	$ 60,919	$ 139,797	$ 268,610	$ 214,776
Liabilities
Current	59,430	140,435	135,947	156,560
Non-current	0	0	133,663	$ 59,430
Operating lease liabilities	59,430	140,435	269,610
Summarized statements of operations information:
Operating lease cost	84,228	165,456	156,456
Short-term lease cost	66,592	78,583	32,673
Sublease income	61,506	120,752	29,906
Other information:
Right-of-use assets obtained in exchange for new operating lease liabilities	0	14,921	391,549
Operating cash flows from operating leases	$ 86,356	$ 165,817	$ 152,251
Weighted-average remaining lease term (in months)	3 months	11 months	23 months
Weighted-average discount rate	10.00%	10.00%	10.00%