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Liquidity (Details) - USD ($)			3 Months Ended
	Mar. 02, 2021	Jul. 31, 2020	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022
Financial condition
Accumulated deficit			$ (124,062,818)		$ (122,492,176)
Net loss			(1,570,642)	$ (2,613,068)
Net cash used in operating activities			(1,032,858)	$ (724,231)
Revenue from contract with customer			0
Cash and cash equivalents			$ 12,918,044		$ 14,066,359
Sales Agreement
Financial condition
Commission rate		3.50%
Fees and disbursements of legal counsel in an amount not to exceed		$ 50,000
Amount not to exceed quarter during the term of sales agreement		2,500
ATM Offering | Sales Agreement
Financial condition
Shares sold	814,242
Price of a share	$ 7.83
Net proceeds from the offering	$ 6,100,000	$ 50,000,000

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