Note 4 - Stockholders' Deficit - Summary of Options Outstanding and Exercisable by Expiry Date (Details) - $ / shares	9 Months Ended
Mar. 31, 2018	Jun. 30, 2017
Number of Options, Outstanding (in shares)	150,000	150,000
Number of Options, Exercisable (in shares)	150,000	150,000
Range One [Member]
Expiry Date	Jan. 13, 2019
Exercise price, outstanding (in dollars per share)	$ 0.25
Number of Options, Outstanding (in shares)	50,000	50,000
Range Two [Member]
Expiry Date	Jan. 13, 2020
Exercise price, outstanding (in dollars per share)	$ 0.25
Number of Options, Outstanding (in shares)	50,000	50,000
Range Three [Member]
Expiry Date	Jan. 13, 2021
Exercise price, outstanding (in dollars per share)	$ 0.25
Number of Options, Outstanding (in shares)	50,000	50,000

Date the equity-based award expires, in CCYY-MM-DD format.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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