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, 2016
Dec. 31, 2015
Accrued Expenses and Other Current Liabilities    
Payroll and related costs $ 4,838 $ 8,927
Employee benefits 4,888 4,113
Accrued warranty 5,297 7,423
Other 4,033 5,086
Accrued expenses and other current liabilities $ 19,056 $ 25,549