XML 38 R25.htm IDEA: XBRL DOCUMENT v3.20.2
Nature of Business and Significant Accounting Policies - Additional Information (Details)
$ in Millions
1 Months Ended 9 Months Ended
Mar. 26, 2020
Mar. 31, 2020
Sep. 30, 2020
USD ($)
shares
Nature Of Business [Line Items]      
Reverse stock split description   we effected a 1-for-14 reverse stock split (the “Reverse Split”) of our common stock pursuant to which every 14 shares of our common stock issued and outstanding as of March 26, 2020 were automatically combined into one issued and outstanding share of common stock. No fractional shares were issued as a result of the reverse stock split. a reverse split of Aptevo’s common stock at a ratio ranging from 1-for-2 to 1-for-20, inclusive, with the effectiveness of one of such amendments and the abandonment of the other amendments, or the abandonment of all amendments, to be determined by the Board in its sole discretion following the Special Meeting. The specific 1-for-14 reverse split ratio was subsequently approved by the Board on March 23, 2020. On March 26, 2020, the Company filed a Certificate of Amendment of Amended and Restated Certificate of Incorporation (the “Amendment”) with the Secretary of State of the State of Delaware to effect a 1-for-14 reverse stock split of the Company’s outstanding common stock.
Stock split, conversion ratio 0.071    
Fractional shares reverse stock split | shares     0
Royalty rate     2.50%
Mid Cap Financial | Credit Agreement [Member]      
Nature Of Business [Line Items]      
Amount obtained under credit facility | $     $ 25