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Recent Product Additions - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended
Apr. 30, 2019
Nov. 30, 2018
Mar. 31, 2019
Business Acquisition [Line Items]      
Payments for asset acquisitions     $ 2,300,000
Level 3      
Business Acquisition [Line Items]      
Current portion of the contingent consideration liability     2,200,000
Noncurrent portion of the contingent consideration liability     6,900,000
Vibativ      
Business Acquisition [Line Items]      
Payment to acquire business upon closing   $ 20,000,000.0 20,000,000
Cash payment during early 2019     $ 5,000,000
Percentage of tiered royalty payments (up to)   20.00%  
Vibativ | Subsequent Event      
Business Acquisition [Line Items]      
Cash payment during early 2019 $ 5,000,000.0