Note 4 - Liquidity and Management Plans (Details Textual) - USD ($) |
1 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
May 05, 2016 |
Jun. 30, 2016 |
Jun. 30, 2016 |
Jun. 30, 2015 |
|
Sun BioPharma Australia Pty Ltd. [Member] | ||||
Proceeds from Income Tax Refunds | $ 772,000 | |||
Private Placement [Member] | Purchase Agreements [Member] | ||||
Proceeds from Issuance of Private Placement | $ 1,755,000 | |||
Private Placement [Member] | ||||
Proceeds from Issuance of Private Placement | $ 1,755,000 | |||
Proceeds from Issuance of Private Placement | $ 1,603,000 |