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Significant Accounting Policies (Details) - Schedule of fair value of warrant liabilities regarding Level 3 fair value measurements - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of fair value of warrant liabilities regarding Level 3 fair value measurements [Abstract]          
Warrant liabilities $ 522,579 $ 533,319 $ 522,579 $ 533,319  
Change in fair value of warrants liabilities (83,280) $ (22,480) $ (10,740) (10,740) $ (77,859)
Warrant liabilities $ 439,299     $ 522,579 $ 533,319