Note 6 - Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	March 31, 2023			December 31, 2022
Amortizable intangible assets:
Patents	$	701		$	575
Trademarks		155			150
Purchased software		1,962			1,962
		2,818			2,687
Accumulated amortization		(544	)		(462	)
Total amortizable		2,274			2,225
Indefinite life assets (non-amortizable)		344			344
Total intangible assets, net	$	2,618		$	2,569

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2023 (9 months)	$	330
2024		518
2025		513
2026		309
2027		42
Thereafter		562
Total estimated amortization expense	$	2,274