Annual report pursuant to Section 13 and 15(d)

Balance Sheets (Unaudited) (Parenthetical)

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Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Due to related party $ 1 $ 15
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Common stock, shares authorized (in shares) 20,000,000 20,000,000
Common stock, shares issued (in shares) 7,809,912 3,527,850
Common stock, shares outstanding (in shares) 7,809,912 3,527,850