Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Depreciated Property and Equipment, Net Estimated Useful Lives (Details)

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Summary of Significant Accounting Policies - Depreciated Property and Equipment, Net Estimated Useful Lives (Details)
12 Months Ended
Dec. 31, 2019
Leasehold improvements  
Property, Plant and Equipment [Line Items]  
Estimated useful life 6 years
Furniture  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years
Computer hardware and software  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Machinery and equipment  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years