Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses and Other Current Liabilities (Details)

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Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Accrued Expenses and Other Current Liabilities    
Payroll and related costs $ 7,477 $ 9,607
Employee benefits 6,063 5,281
Accrued warranty 3,466 3,662
Other 6,876 4,756
Accrued expenses and other current liabilities $ 23,882 $ 23,306