Note 4 - Stockholders' Deficit - Summary of Stock Purchase Warrants Outstanding By Expiry Date (Details) - $ / shares |
3 Months Ended | ||||
|---|---|---|---|---|---|
Sep. 30, 2017 |
Jun. 30, 2017 |
||||
| Class of Warrant or Right, Outstanding (in shares) | 4,044,465 | 12,506,309 | |||
| Warrant One [Member] | |||||
| Class of Warrant or Right, Expiry Date | [1] | Oct. 01, 2017 | |||
| Class of Warrant or Right, Exercise Price (in dollars per share) | [1] | $ 0.30 | |||
| Class of Warrant or Right, Outstanding (in shares) | [1] | 3,209,465 | 3,209,465 | ||
| Warrant Two [Member] | |||||
| Class of Warrant or Right, Expiry Date | [1] | Oct. 01, 2017 | |||
| Class of Warrant or Right, Exercise Price (in dollars per share) | $ 0.20 | ||||
| Class of Warrant or Right, Outstanding (in shares) | 835,000 | 835,000 | |||
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