Intangible assets (Tables)

12 Months Ended

Jun. 30, 2021

Jun. 30, 2020

Licensing Agreements [Member]

Finite-Lived Intangible Assets [Line Items]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Gross Carrying Amount		Impairment		Adjusted Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Amortized Intangible Assets Licenses
	$	199,000	$	—	$	199,000	$	(96,600)	$	102,400
Total	$	199,000	$	—	$	199,000	$	(96,600)	$	102,400

	Gross Carrying Amount		Impairment		Adjusted Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Amortized Intangible Assets Licenses
	$	199,000	$	—	$	199,000	$	(96,600)	$	102,400
Total	$	199,000	$	—	$	199,000	$	(96,600)	$	102,400

The following table presents amortized licenses as of June 30, 2020:

	Gross Carrying Amount		Impairment		Adjusted Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Amortized Intangible Assets Licenses
	$	199,000	$	—	$	199,000	$	(76,950)	$	122,050
Total	$	199,000	$	—	$	199,000	$	(76,950)	$	122,050