| Component: (Network and Table) | |
|---|---|
| Network | 100590 - Disclosure - Equity - Assumptions used in Valuing the Stock Options Granted under Black-Scholes Valuation Model (Details) (http://www.aptevotherapeutics.com/20161231/taxonomy/role/DisclosureEquityAssumptionsUsedInValuingStockOptionsGrantedUnderBlackScholesValuationModelDetails) |
| Table | Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |
| Reporting Entity [Axis] | 0001671584 (http://www.sec.gov/CIK) |
| Award Type | Stock Option |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | Period [Axis] |
|---|---|
2016-01-01 - 2016-12-31 | |
Expected dividend yield | 0.00% |
Expected volatility | |
Risk-free interest rate | |
Expected average life of options |