Convertible notes payable (Detail Textuals)	1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 23, 2014 USD ($) Micro_Market Days $ / shares	Dec. 31, 2014 USD ($)	Jun. 30, 2019 USD ($) shares	Jun. 30, 2018 USD ($) $ / shares
Debt Instrument [Line Items]
Amount of long term notes payable			$ 37,000	$ 736,115
Financing and Security Agreement | Convertible Secured Debt
Debt Instrument [Line Items]
Maximum borrowing capacity through issuance of convertible secured debt	$ 1,500,000
Maximum borrowing capacity for each tranche	150,000
Amount of first tranche issued at closing of transaction	$ 150,000
Additional amount of tranche issued		$ 100,000
Amount of long term notes payable			125,000	250,000
Outstanding amount under financing agreement				$ 250,000
Number of micro markets | Micro_Market	20
Due date of convertible secured debt	24 months
Extended due date of convertible secured debt	12 months
Interest rate on notes payable	10.00%
Interest rate of convertible secured debt if extended after due date	12.00%
Percentage of common stock price to conversion price of convertible debt instruments	85.00%
Number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage | Days	15
Conversion rights per share | $ / shares	$ 1.28			$ 0.16
Interest expense			22,000	$ 25,000
Accrued interest			53,000	81,000
Prinicipal amount of debt converted			125,000
Accrued interest of debt converted			$ 50,000
Number of shares issued in conversion of debt | shares			1,095,000
Financing and Security Agreement | Convertible secured debt originally matured on December 15, 2016
Debt Instrument [Line Items]
Outstanding amount under financing agreement				$ 100,000