Cover
Cover | May 12, 2022 |
Cover [Abstract] | |
Document Type | 8-K |
Document Period End Date | Aug. 15, 2022 |
Entity Registrant Name | ATHERSYS, INC / NEW |
Entity Incorporation, State or Country Code | DE |
Entity File Number | 001-33876 |
Entity Tax Identification Number | 20-4864095 |
Entity Address, Address Line One | 3201 Carnegie Avenue, |
Entity Address, City or Town | Cleveland, |
Entity Address, State or Province | OH |
Entity Address, Postal Zip Code | 44115-2634 |
City Area Code | 216 |
Local Phone Number | 431-9900 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Title of 12(b) Security | Common Stock, par value $0.001 per share |
Trading Symbol | ATHX |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |
Amendment Flag | false |
Entity Central Index Key | 0001368148 |