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Acquisitions - Schedule of Major Classes of Assets and Liabilities Preliminarily Allocated to Purchase Price (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Business Acquisition [Line Items]    
Goodwill $ 7,262 $ 5,585
ALT [Member]    
Business Acquisition [Line Items]    
Accounts receivable 337  
Inventory – equipment 1,122  
Intangible assets 1,360  
Goodwill 1,677  
Other assets 7  
Accounts payable and accrued liabilities (185)  
Purchase price $ 4,318