| Component: (Network and Table) | |
|---|---|
| Network | 163 - Disclosure - Shareholders' Equity (Details 3) (http://www.isoray.com/role/ShareholdersEquityDetails3) |
| Table | Class of Warrant or Right [Table] |
| Reporting Entity [Axis] | 0000728387 (http://www.sec.gov/CIK) |
| Class of Warrant or Right [Line Items] | Period [Axis] | ||||||
|---|---|---|---|---|---|---|---|
2015-07-01 - 2016-06-30 | 2015-06-30 | 2014-06-30 | 2013-06-30 | ||||
| Exercise Price Range [Axis] | Exercise Price Range [Axis] | Exercise Price Range [Axis] | Exercise Price Range [Axis] | ||||
| Range of Exercise Price One [Member] | Range of Exercise Price Two [Member] | Range of Exercise Price Three [Member] | Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] | Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] | Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] | Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] | |
Number of Warrants | 230,087 | 385,800 | 444,747 | 1,957,033 | |||
Range of Exercise Prices | .94 1 | 1.22 1 | 1.43 1 | 1.38 1 | |||
Expiration Date | |||||||