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Merger with Dialog Semiconductor plc (Details) - Forecast [Member]
$ / shares in Units, $ in Thousands
Aug. 20, 2020
USD ($)
$ / shares
Business Acquisition [Line Items]  
Merger consideration, right to receive cash per share | $ / shares $ 12.55
Termination fee if merger agreement $ 15,760
Termination fee if merger is not consummated $ 15,760