Subsequent Events	9 Months Ended
Sep. 30, 2019
Subsequent Events [Abstract]
Subsequent Events	NOTE 11 – SUBSEQUENT EVENTS Merger with PointR On August 17, 2019, the Company entered into an Agreement and Plan of Merger (the “PointR Merger Agreement”) with PointR. Upon the terms of, and subject to the satisfaction of the conditions described in, the PointR Merger Agreement, PointR would be merged with and into a newly formed subsidiary of the Company (the “PointR Merger Sub”), with PointR surviving the merger as a wholly-owned subsidiary of the Company. The merger is intended to create a publicly-traded artificial intelligence driven immuno-oncology company with a robust pipeline of first in class TGF-β immunotherapies for late stage cancers such as gliomas, pancreatic cancer and melanoma. On November 1, 2019, the Company entered into Amendment No. 1 (the “Amendment”) to the PointR Merger Agreement with PointR. The Amendment revised certain terms of the PointR Merger Agreement to provide that holders of PointR common stock would receive shares of the Company’s Preferred Stock in lieu of the Company’s Common Stock in connection with the merger. The Amendment revised the terms of the milestones for earn-out payment as well. On November 4, 2019, pursuant to the terms of the PointR Merger Agreement the Company completed the merger with PointR. On the effectiveness of the merger, the outstanding common stock of PointR immediately prior to the merger, including the conversion of a $200,000 note with accrued interest, excluding any shares of PointR held by stockholders exercising dissenters’ appraisal rights, was converted solely into the right to receive approximately 84,475 shares of the Company’s Preferred Stock. Immediately following the closing of the Merger, the former PointR security holders own approximately 23.29% of the Company’s issued and outstanding Common Stock (including any shares of Common Stock issuable upon the conversion of the Company’s Preferred Stock), and the Company’s stockholders prior to the Merger own approximately 76.71% of the Company’s issued and outstanding Common Stock (including any shares of Common Stock issuable upon conversion of the Company’s Preferred Stock). Amendments to Peak One Convertible Note and TFK Note On November 5, 2019, the Company and Peak One amended the Convertible Note under Tranche #1 to extend the date of conversion of the Convertible Note into Common Stock of the Company at 65% of the traded price of the Company’s Common Stock until January 8, 2020. This restriction did not apply if Peak One wished to convert the Convertible Note at $0.10. The Company compensated Peak One 300,000 shares of Mateon’s Common Stock for delaying the conversion until January 8, 2020. Such shares were issued to Peak One on November 18, 2019. Similarly, TFK amended the TFK Convertible Note to extend the date of conversion of the Convertible Note into Common Stock of the Company at 65% of the traded price of the Company’s Common Stock until January 8, 2020. This restriction did not apply if TFK wished to convert the Convertible Note at $0.10 per share The Company compensated TFK 300,000 shares of Mateon’s Common Stock for delaying the conversion until January 8, 2020. Such shares were issued to Peak One on November 18, 2019.

Subsequent Events

9 Months Ended

Sep. 30, 2019

NOTE 11 – SUBSEQUENT EVENTS

Merger with PointR

On August 17, 2019, the Company entered into an Agreement and Plan of Merger (the “PointR Merger Agreement”) with PointR. Upon the terms of, and subject to the satisfaction of the conditions described in, the PointR Merger Agreement, PointR would be merged with and into a newly formed subsidiary of the Company (the “PointR Merger Sub”), with PointR surviving the merger as a wholly-owned subsidiary of the Company. The merger is intended to create a publicly-traded artificial intelligence driven immuno-oncology company with a robust pipeline of first in class TGF-β immunotherapies for late stage cancers such as gliomas, pancreatic cancer and melanoma.

On November 1, 2019, the Company entered into Amendment No. 1 (the “Amendment”) to the PointR Merger Agreement with PointR. The Amendment revised certain terms of the PointR Merger Agreement to provide that holders of PointR common stock would receive shares of the Company’s Preferred Stock in lieu of the Company’s Common Stock in connection with the merger. The Amendment revised the terms of the milestones for earn-out payment as well.

On November 4, 2019, pursuant to the terms of the PointR Merger Agreement the Company completed the merger with PointR. On the effectiveness of the merger, the outstanding common stock of PointR immediately prior to the merger, including the conversion of a $200,000 note with accrued interest, excluding any shares of PointR held by stockholders exercising dissenters’ appraisal rights, was converted solely into the right to receive approximately 84,475 shares of the Company’s Preferred Stock.

Immediately following the closing of the Merger, the former PointR security holders own approximately 23.29% of the Company’s issued and outstanding Common Stock (including any shares of Common Stock issuable upon the conversion of the Company’s Preferred Stock), and the Company’s stockholders prior to the Merger own approximately 76.71% of the Company’s issued and outstanding Common Stock (including any shares of Common Stock issuable upon conversion of the Company’s Preferred Stock).

Amendments to Peak One Convertible Note and TFK Note

On November 5, 2019, the Company and Peak One amended the Convertible Note under Tranche #1 to extend the date of conversion of the Convertible Note into Common Stock of the Company at 65% of the traded price of the Company’s Common Stock until January 8, 2020. This restriction did not apply if Peak One wished to convert the Convertible Note at $0.10. The Company compensated Peak One 300,000 shares of Mateon’s Common Stock for delaying the conversion until January 8, 2020. Such shares were issued to Peak One on November 18, 2019.

Similarly, TFK amended the TFK Convertible Note to extend the date of conversion of the Convertible Note into Common Stock of the Company at 65% of the traded price of the Company’s Common Stock until January 8, 2020. This restriction did not apply if TFK wished to convert the Convertible Note at $0.10 per share The Company compensated TFK 300,000 shares of Mateon’s Common Stock for delaying the conversion until January 8, 2020. Such shares were issued to Peak One on November 18, 2019.