Property Plant and Equipment - Summary of Property and Equipment at Cost and Related Accumulated Depreciation (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Property and equipment, at cost	$ 7,329	$ 6,271
Less accumulated depreciation and amortization	(1,434)	(1,010)
Total property and equipment, net	5,895	5,261
Furniture And Fixtures [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	1,819	1,611
Computer Equipment And Software [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	459	289
Manufacturing Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	454	416
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	$ 4,597	$ 3,955