Inventories (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Inventory [Line Items]
Raw materials and packaging	$ 36,884,000	$ 13,756,000
Work in process	17,958,000	2,517,000
Finished goods	26,754,000	13,984,000
Total	81,596,000	30,257,000
Inventory write-down	$ 6,400,000	$ 800,000	$ 0
Contract Termination
Inventory [Line Items]
Inventory write-down			$ 2,400,000