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General (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Oct. 03, 2021
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Disclosure Of General Explanatory [Abstract]        
Ownership interest, percentage   27.00%    
Equity percentage 82.36%      
Incurred a net loss   $ 2,650 $ 2,638 $ 3,535
Cash flows from operating activities   2,950    
Accumulated deficit   $ 57,800