4. Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Minimum annual royalty payments

2020	$	5,100,000
2021	$	4,300,000
2022	$	4,300,000
2023	$	4,300,000
2024	$	4,300,000
2025	$	4,300,000