Note 9 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Contractual Obligation, Fiscal Year Maturity [Table Text Block]

Years ending December 31,	Office Lease		Purchase and Service Commitments		Total
2022	$	1,404	$	18,551	$	19,955
2023		1,253		—		1,253
2024		1,108		—		1,108
2025		1,053		—		1,053
2026		1,036		—		1,036
Thereafter		1,240		—		1,240
Total	$	7,094	$	18,551	$	25,645