XML 68 R54.htm IDEA: XBRL DOCUMENT v3.20.4
Business Combination (Details) - USD ($)
$ in Thousands
1 Months Ended
Feb. 28, 2018
May 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Mar. 01, 2018
Business Acquisition [Line Items]          
Working capital settlement paid   $ 400      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]          
Goodwill     $ 3,229 $ 3,229  
WattMaster          
Business Acquisition [Line Items]          
Payments to acquire businesses $ 6,000        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]          
Accounts receivable         $ 1,082
Inventories         1,380
Property, plant and equipment         340
Intellectual property         700
Goodwill         3,229
Assumed current liabilities         (354)
Consideration paid         $ 6,377