XML 81 R67.htm IDEA: XBRL DOCUMENT v3.21.1
GEOGRAPHIC AND SEGMENT INFORMATION - Reportable Segment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]    
Sales $ 27,711 $ 28,235
Income (loss) from operations (20,083) (20,869)
Interest income 241 1,392
Interest expense (46) (8)
Other income (loss), net 479 (351)
Income tax benefit 7,503 130
Operating Segments | Advanced Energy    
Segment Reporting Information [Line Items]    
Sales 22,214 22,676
Income (loss) from operations (7,128) (8,045)
Interest income 0 0
Interest expense 0 0
Other income (loss), net 0 0
Income tax benefit 0 0
Operating Segments | OEM    
Segment Reporting Information [Line Items]    
Sales 5,497 5,559
Income (loss) from operations 1,838 2,136
Interest income 0 0
Interest expense 0 0
Other income (loss), net 0 0
Income tax benefit 0 0
Corporate (Other)    
Segment Reporting Information [Line Items]    
Sales 0 0
Income (loss) from operations (14,793) (14,960)
Interest income   1,392
Interest expense (46) (8)
Other income (loss), net 479 (351)
Income tax benefit $ 7,503 $ 130