XML 28 R16.htm IDEA: XBRL DOCUMENT
v3.23.2

Reserved for Future Issuance | 6 Months Ended
--- | ---
Jun. 30, 2023
Reserved for Future Issuance |
Reserved for Future Issuance | 8.Reserved for Future Issuance The Company has reserved for future issuance the following shares of common stock: ​
​ | ​ | ​ | ​ | ​
​ |  | June 30, | ​ | December 31,
​ |  | 2023 |  | 2022
Series X Preferred Stock | ​ | 5,184,591 | ​ | 5,242,501
Options outstanding to purchase common stock |  | 3,183,045 |  | 2,253,431
Reserve under the 2015 Stock Incentive Plan and the 2022 Inducement Stock Incentive Plan |  | 4,721,974 |  | 1,013,520
Warrants for the purchase of common stock | ​ | 331,858 | ​ | 1,530,176
Shares reserved for the employee stock purchase plan |  | 43,060 | ​ | 36,982
Total |  | 13,464,528 |  | 10,076,610
​

X
- References No definition available. + Details
Name: | atxs_CommonStockReservedForFutureIssuanceAbstract
Namespace Prefix: | atxs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for reserved for future issuance. + References No definition available. + Details
Name: | atxs_ReservedForFutureIssuanceTextBlock
Namespace Prefix: | atxs_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration