Intangible assets (Tables)

12 Months Ended

Jun. 30, 2019

Jun. 30, 2018

Finite-Lived Intangible Assets [Line Items]

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

	Gross Carrying Amount		Impairment		Adjusted Gross Carrying Amount		Accumulated Amortization			Net Carrying Value
Amortized Intangible Assets Licenses
	$	199,000	$	—	$	199,000	$	(57,300	)	$	141,700
Total	$	199,000	$	—	$	199,000	$	(57,300	)	$	141,700

	Gross Carrying Amount		Impairment		Adjusted Gross Carrying Amount		Accumulated Amortization			Net Carrying Value
Amortized Intangible Assets Licenses
	$	199,000	$	—	$	199,000	$	(37,650	)	$	161,350
Total	$	199,000	$	—	$	199,000	$	(37,650	)	$	161,350

Licensing Agreements [Member]

Finite-Lived Intangible Assets [Line Items]

Schedule of Indefinite-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	$	(57,300	)	$	141,700
Total	$	199,000	$	—	$	199,000	$	(57,300	)	$	141,700

	Gross Carrying Amount		Impairment		Adjusted Gross Carrying Amount		Accumulated Amortization			Net Carrying Value
Amortized Intangible Assets Licenses
	$	199,000	$	—	$	199,000	$	(37,650	)	$	161,350
Total	$	199,000	$	—	$	199,000	$	(37,650	)	$	161,350

Trademarks and Trade Names [Member]

Finite-Lived Intangible Assets [Line Items]

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

	2019		2018
Trademarks and trade names
Net carrying amount	$	605,006	$	605,006
Total	$	605,006	$	605,006