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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Estimated annual lease, royalty, and employment agreement expenses
The estimated annual lease payment and meeting space commitments are as follows (in thousands):
Years Ended December 31,
 
2020
$
2,263

2021
2,259

2022
2,344

2023
205

2024

Thereafter

 
$
7,071