Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities - Product Maintenance and Warranty (Details)

v3.20.2
Accrued Liabilities - Product Maintenance and Warranty (Details) - Warranty - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Jun. 30, 2020
Accrued Liabilities, Rollforward [Roll Forward]      
Beginning balance $ 259 $ 350  
Additions for estimated future expense 55 73  
Incurred costs (85) (194)  
Closing balance 229 229  
Current portion     $ 200
Long-term portion     29
Total $ 229 $ 229 $ 229