Annual report pursuant to Section 13 and 15(d)

CONDENSED STATEMENTS OF CASH FLOWS (Parenthetical)

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CONDENSED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Noncash Investing and Financing Items [Abstract]    
Cash and cash equivalents $ 6,037 $ 5,413
Restricted cash 295 0
Cash, cash equivalents and restricted cash shown in the statements of cash flows $ 6,332 $ 5,413