Annual report pursuant to Section 13 and 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
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accrued warranty reserve, beginning of year $ 422 [1] $ 535
Accrued warranties assumed 483  
Accrual for product warranties issued 574 192
Product replacements and other warranty expenditures (484) (182)
Expiration of warranties (253) (123)
Accrued warranty reserve, end of period [1] $ 742 $ 422
[1] Includes accrued warranty and other liabilities at December 31, 2018 and 2019 of $-0- and $110, respectively.