Note 7 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Lease, Cost [Table Text Block]

Year Ended December 31,	2021			2020
Right-of-use asset, net and lease liabilities (in thousands)	$	3,955		$	2,889
Cash paid for operating lease liabilities (in thousands)	$	1,239		$	1,052
Weighted average remaining lease term (years)		3.5			3.5
Weighted average discount rate		4.1	%		3.8	%

Year Ended December 31, (in thousands)	2021		2020
Cost of revenue	$	892	$	725
General and administrative		272		214
Research and development		75		113
Total	$	1,239	$	1,052

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

	Operating Leases
	(In thousands)
2022	$	1,337
2023		1,265
2024		910
2025		515
Thereafter		181
Total lease liabilities	$	4,208