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Organization and Description of Business (Details) - USD ($)
$ in Thousands, shares in Millions
 12 Months Ended 180 Months Ended
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Organization and Description of Business [Line Items]      
Net cash proceeds from the offering   $ 91,000  
Cash and cash equivalents $ 6,451 6,451 $ 7,607
Accumulated deficit (88,523) (88,523) (82,765)
Short-term held-to-maturity investments 2,606 $ 2,606 $ 0
At The Market Facility (ATM)      
Organization and Description of Business [Line Items]      
Net cash proceeds from the offering $ 6,500    
Number of shares of common stock issued 6.3