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Organization and Description of Business (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Sep. 30, 2020
Aug. 24, 2020
Dec. 31, 2021
Dec. 31, 2020
Organization and Description of Business [Line Items]        
Proceeds from Issuance of Common Stock $ 1,300 $ 4,800    
Number of shares of common stock issued       3,242
Share price of common stock issued       $ 2.00
Accumulated deficit     $ (82,765) $ (74,874)
At The Market Facility (ATM)        
Organization and Description of Business [Line Items]        
Proceeds from Issuance of Common Stock     $ 5,500  
Number of shares of common stock issued     1,093  
Share price of common stock issued     $ 5.03  
Deferred Offering Costs     $ 190  
Net cash proceeds from the offering     $ 5,300