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Acquisition of Vaporsens, Inc (Details) - USD ($)
$ in Thousands
Apr. 03, 2020
Jun. 30, 2020
Selling, General and Administrative Expenses    
Business Acquisition [Line Items]    
Acquisition-related costs   $ 550
Vaporsens Inc    
Business Acquisition [Line Items]    
Initial investment in Vaporsens $ 3,000  
Vaporsens Inc    
Business Acquisition [Line Items]    
Purchase price of acquisition 10,600  
Cash paid to acquire business $ 7,100  
Ownership percentage of business acquisition 100.00%  
Vaporsens Inc | Common Stock | Restricted Stock    
Business Acquisition [Line Items]    
Equity interest investment $ 3,500