Legal Proceedings (Details)	Nov. 14, 2017 Lawsuit
Gain Contingencies [Line Items]
Patents allegedly infringed upon	26
Lawsuit against 3Shape A/S
Gain Contingencies [Line Items]
Number of lawsuits/complaints	6
3Shape violation of trade laws
Gain Contingencies [Line Items]
Number of lawsuits/complaints	2
Patent infringement by 3Shape
Gain Contingencies [Line Items]
Number of lawsuits/complaints	4

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