Note 5 - Prepaid and Other Current Assets

3 Months Ended

12 Months Ended

Mar. 31, 2024

Dec. 31, 2023

Notes to Financial Statements

Prepaid and Other Current Assets [Text Block]

5. PREPAID AND OTHER CURRENT ASSETS

Prepaid and other current assets as of March 31, 2024 and December 31, 2023 were as follows (in thousands):

	March 31, 2024		December 31, 2023
	(unaudited)
Prepaid expenses	$	1,612	$	2,386
Advances to suppliers		79		79
Other		54		52
Total prepaid and other current assets	$	1,745	$	2,517

As of March 31, 2024 and December 31, 2023, the Company recorded a loss on advances to suppliers of $1,385 associated with the winding down of its existing industrial product as part of its revised strategic plan. See Note 13, Restructuring, for further details.

5. PREPAID AND OTHER CURRENT ASSETS

Prepaid and other current assets as of December 31, 2023 and 2022 were as follows (in thousands):

	As of December 31,
	2023		2022
Prepaid expenses	$	2,386	$	4,203
Demonstration units		—		281
Advances to suppliers		79		984
Other		52		713
Total prepaid and other current assets	$	2,517	$	6,181

During the twelve months ended December 31, 2023, the Company recorded a loss on advances to suppliers of $1,385 associated with the winding down of its existing industrial product as part of its revised strategic plan. See Note 17, Restructuring, for further details.