Balance Sheet Details - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 31, 2019
Other Liabilities Current [Abstract]
Contingent consideration - acquisitions	$ 134	$ 569
Income tax payable	217	2,783
Current operating lease obligations	4,603	4,906
Customer deposits	671	1,994
Accrued inventory	1,943	1,614
Accrued professional fees	890	1,520
Other	5,152	5,786
Total other current liabilities	$ 13,610	$ 19,172