Other Accrued and Other Long-Term Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accrued Liabilities, Current
Accrued warranty reserve	$ 1,466	$ 2,036
Adverse purchase commitments	268	2,176
Accrued restructuring	1,437	575
Income tax payable, net	152	279
Other	4,248	4,338
Other accrued liabilities	7,571	9,404
Other Liabilities, Noncurrent
Long-term income tax payable	3,047	2,224
Long-term deferred revenue	2,380	0
Accrued warranty reserve	355	517
Accrued warranty reserve	0	89
Other	184	155
Other long-term liabilities	$ 5,966	$ 2,985