Litigation, Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Rent Expense

The following table sets forth the components of net rent expense for the years ended December 31:

	2017		2016
	(In millions)
Minimum lease payments	$	1.2	$	3.6
Contingent rentals	—		(2.0		)
Total rental expense, net	$	1.2	$	1.6

Schedule of Future Minimum Rental Payments for Operating Leases

The following table sets forth the minimum rental payments under operating leases with non-cancellable terms in excess of one year as of December 31, 2017. The Company kept a small team and its headquarters in Minnesota starting in 2016, and those lease costs are included below.

	2018		2019		2020		2021		2022		Thereafter		Total
	(In millions)
Minimum lease payments	$	0.7	$	0.4	$	0.2	$	0.1	$	0.1	$	0.1	$	1.6