Organization and description of business (Detail Textuals) - U.S. states and Canada $ in Millions	12 Months Ended
	Jun. 30, 2019 USD ($) Booking Robot
Organization And Description Of Business [Line Items]
Number of units for franchise contract | Booking	866
Contract liabilities - franchise advances and deferred revenues	$ 40.0
Additional number of robots for contractual commitments | Robot	2,342
Future revenue from franchise	$ 92.3