Quarterly report pursuant to Section 13 or 15(d)

Stockholders??? Equity (Details)

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Stockholders’ Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 26, 2022
Sep. 30, 2022
Aug. 22, 2022
Jun. 26, 2022
Mar. 29, 2022
Dec. 31, 2021
Oct. 31, 2021
Sep. 30, 2022
Sep. 30, 2022
Dec. 31, 2020
Aug. 24, 2022
Nov. 30, 2017
Stockholders’ Equity (Details) [Line Items]                        
Common stock shares authorized (in Shares)   120,000,000       60,000,000   120,000,000 120,000,000      
Common stock par value   $ 0.0001       $ 0.0001   $ 0.0001 $ 0.0001      
Market sales agreement, description                   In December 2020, pursuant to a registration statement on Form S-3 declared effective by the Securities and Exchange Commission on December 11, 2020, the Company entered into an Open Market Sales Agreement (“ATM Agreement”) with Jefferies LLC. (“Jefferies”), which provides that, upon the terms and subject to the conditions and limitations in the ATM Agreement, the Company may elect, from time to time, to offer and sell shares of Common Stock with an aggregate offering price of up to $50,000, with Jefferies acting as a sales agent. During the nine months ended September 30, 2022, the Company sold 229,044 shares of Common Stock under the ATM Agreement, at an average price of $1.19 per share, raising aggregate net proceeds of approximately $273, after deducting an aggregate commission of $8.     
Contract liability (in Dollars)             $ 1,976          
Preferred stock, shares authorized (in Shares)   1,000,000       1,000,000   1,000,000 1,000,000      
Preferred stock, par value   $ 0.0001       $ 0.0001   $ 0.0001 $ 0.0001      
Exercise price   $ 0.37 $ 0.66         $ 0.37 $ 0.37      
Vesting period     4 years                  
Granted option shares (in Shares)   20,000 290,000                  
Vesting period   1 year                    
Fair value at the grant date (in Dollars)               $ 127 $ 1,428      
Shares of issued warrants (in Shares)                       2,974
Warrant, description                 The warrants were fully vested at their grant date and will expire immediately prior to a consummation of an M&A transaction.      
Minimum [Member]                        
Stockholders’ Equity (Details) [Line Items]                        
Common stock shares authorized (in Shares)                     60,000,000  
Common stock par value                     $ 0.0001  
Maximum [Member]                        
Stockholders’ Equity (Details) [Line Items]                        
Common stock shares authorized (in Shares)                     120,000,000  
Common stock par value                     $ 0.0001  
Stock Options [Member]                        
Stockholders’ Equity (Details) [Line Items]                        
Employees consideration, description       On June 26, 2022, the Board of Directors approved the grant of 350,500 options to 53 employees, and one consultant under the Company’s 2019 Equity Incentive Plan, without consideration. On March 29, 2022, the Board of Directors approved the grant of 1,153,500 options to 89 employees, three senior officers, one consultant, and five directors under the Company’s 2019 Equity Incentive Plan, without consideration.              
Exercise price         $ 1.41              
Vesting period         4 years              
Maruho Agreement [Member]                        
Stockholders’ Equity (Details) [Line Items]                        
Common stock shares issued (in Shares)             375,000          
Common stock per share             $ 8          
Total gross proceed (in Dollars)             $ 3,000          
Grant date fair value (in Dollars)             $ 1,024          
CFF Agreement [Member]                        
Stockholders’ Equity (Details) [Line Items]                        
Agreement type, description           the Company entered into a Securities Purchase Agreement with the Cystic Fibrosis Foundation (“CF Foundation”), an organization that historically played a role in supporting the development of innovative therapies for patients suffering from cystic fibrosis (“CF”). Under the terms of the agreement, the Company will receive up to $5,000 in two tranches. In the first tranche, which closed and fully received on December 21, 2021, the CF Foundation invested $3,000 as an initial equity investment based on a share price of $2.57. Upon completion of all patient dosing in Part 1 of the Company’s Phase 1b/2a study of BX004, the Company would have the right to receive the second tranche of $2,000, also as an equity investment. In the event that the average closing price of the Common Stock for the ten trading days prior to the second tranche completion is less than $2.57, the Company shall have the right in its sole discretion to waive the second tranche payment and in such event the CF Foundation shall not have any right to receive additional shares. The Company concluded that the second tranche is a freestanding financial instrument.            
Board of Directors [Member]                        
Stockholders’ Equity (Details) [Line Items]                        
Exercise price $ 0.66     $ 0.66                
Vesting period 4 years