Quarterly report pursuant to Section 13 or 15(d)

Accounts Payable and Accrued Expenses - Schedule of Product Warranty Liability (Details)

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Accounts Payable and Accrued Expenses - Schedule of Product Warranty Liability (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Payables and Accruals [Abstract]    
Accrued warranty reserve, beginning of period $ 775 $ 422
Accrual for product warranties issued 368 152
Product replacements and other warranty expenditures (355) (139)
Expiration of warranties (18) (100)
Accrued warranty reserve, end of period [1] $ 770 $ 335
[1] Includes non-current accrued warranty in other long-term liabilities at December 31, 2019 and June 30, 2020 of $110 and $118, respectively