Summary of Significant Accounting Policies, Food and Drug Administration (Details)	6 Months Ended
	Jun. 30, 2020 Category Class Pathway
Food and Drug Administration [Abstract]
Number of categories of tobacco products regulated by the FDA | Category	4
Number of classes of regulated tobacco products on which user fees are assessed | Class	6
Number of pathways for obtaining premarket authorization | Pathway	3
Period deemed new tobacco products may remain on the market pending FDA review	1 year
Application period for deemed new tobacco products	10 months
Proposed extension period for filing premarket applications	120 days