XML 60 R49.htm IDEA: XBRL DOCUMENT v3.10.0.1
Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Accrued expenses and other current liabilities    
Payroll and related benefits $ 18,498 $ 32,996
Warranty 7,371 6,532
Interest 1,992 4,430
Professional fees 3,457 3,942
Merger consideration payable   2,662
Sales, use, and other taxes 532 2,144
Restructuring liability 2,901 1,520
Other 5,679 3,842
Total $ 40,430 $ 58,068