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Business Combination (Details) - USD ($)
 12 Months Ended
Jun. 05, 2020
Dec. 31, 2020
Business Combinations [Abstract]    
Fixed consideration received by shareholders of edon $ 103.50  
Total consideration of edon $ 15,500,000  
Expenses of direct acquisition costs   $ 1,200,000
Merger expenses   1,200,000
Goodwill   4,300,000
Intangible assets in business combination   $ 700,000
Intangible assets amortized period   10 years
Amount of contractual principal of loans   $ 16,800,000
Contractual cash flows not expected to be collected   400,000
Nonrecurring costs incurred prior to acquisition   700,000
Nonrecurring costs for acquisition   $ 1,200,000