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Acquisition of In-process Research and Development (Details) - SailWings technology [Member] - USD ($)
$ in Millions
1 Months Ended
Mar. 31, 2016
Jun. 30, 2016
Research and development expense [Member]    
Business Acquisition [Line Items]    
Amount paid to acquire company in-process R & D $ 1.0  
Earn-out [Member]    
Business Acquisition [Line Items]    
Potential future earn-outs expected over ten years   $ 2.3
Period future earnings estimate is expected 10 years