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SUBSEQUENT EVENTS | 12 Months Ended
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Dec. 31, 2022
Subsequent Events [Abstract] |
SUBSEQUENT EVENTS | SUBSEQUENT EVENTS Nasdaq Delisting Notice In connection with the Merger with Carisma, the Company is seeking the approval of its stockholders to, among other things, (a) issue the shares of its common stock issuable in connection with the Merger pursuant to the rules of Nasdaq, and (b) amend its amended and restated Certificate of Incorporation to effect a reverse stock split of the outstanding shares of its common stock at a ratio of 1-for-20 (clauses (a) and (b), collectively, the “Sesen Bio Voting Proposals”). The special meeting of stockholders in which the Company’s stockholders will be asked to vote on the Sesen Bio Voting Proposals will be held on March 2, 2023 at 10:00 a.m. Eastern Time (the "Special Meeting"). On January 25, 2023, the Company was notified by the Listing Qualifications Department (the “Staff”) of Nasdaq that, based upon the Company’s non-compliance with the $1.00 bid price requirement for continued listing on The Nasdaq Capital Market, as set forth in Nasdaq Listing Rule 5550(a)(2) (the “Bid Price Rule”), the Company’s common stock will be delisted from Nasdaq unless it timely requests a hearing before a Nasdaq Hearings Panel (the “Panel”). The Company requested a hearing before the Panel, which stayed any delisting action by the Staff and ensured the Company’s common stock remains listed and eligible for trading on Nasdaq pending a determination by the Panel. The hearing had been scheduled for March 16, 2023. On February 24, 2023, the Company received a determination from the Nasdaq Office of General Counsel that the Panel granted the Company an exception from its non-compliance with the Bid Price Rule to complete the Merger by March 10, 2023. Pursuant to Nasdaq Listing Rule 5110(a), the Company must demonstrate compliance with all initial listing requirements of Nasdaq upon the closing of the Merger. The Company is seeking approval for the Merger and the implementation of a reverse stock split of its common stock at the Special Meeting. In the event the Company fails to establish compliance with the initial listing standards by March 10, 2023, the common stock will be delisted from Nasdaq, unless granted an additional exception by the Panel. As previously disclosed, on January 24, 2022, the Company received written notice from the Staff indicating that, based upon the closing bid price for its common stock for the previous 30 consecutive business days, the Company no longer satisfied the Bid Price Rule and, in accordance with the Nasdaq Listing Rules, was afforded an initial grace period of 180 calendar days, through July 25, 2022, and a second 180-calendar day period, through January 23, 2023, to regain compliance with the Bid Price Rule. The Company did not regain compliance with the Bid Price Rule by January 23, 2023, which resulted in the Staff’s January 25, 2023, determination.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI https://asc.fasb.org/topic&trid=2122774 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662 + Details
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