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Goodwill and Acquisition-Related Intangibles (Details 1) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of acquisition-related intangibles $ 360 $ 705  
Schedule of expected annual amortization expense for acquisition-related intangibles      
2019 (remaining nine months) 893    
2020 1,160    
2021 1,137    
2022 573    
Total $ 3,763   $ 4,123