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Details of Certain Financial Statement Components

3 Months Ended

Mar. 31, 2023

Details of Certain Financial Statement Components

Details of Certain Financial Statement Components

Note 2 – Details of Certain Financial Statement Components

Inventories, stated at the lower of cost or net realizable value, consisted of the following:


	March 31,		December 31,
	2023		2022

Inventories	(in thousands)
Raw materials	$	2,531	$	1,635
Work-in-process		242		192
Finished goods		203		285
Total inventories	$	2,976	$	2,112

Property, plant and equipment, net, consisted of the following:


	March 31,		December 31,
	2023		2022

Property, plant and equipment, net	(in thousands)
Furniture, machinery and equipment	$	1,857	$	1,688
Leasehold improvements		420		417
		2,277		2,105
Less: accumulated depreciation		(1,968)		(1,921)
Total property, plant and equipment, net	$	309	$	184

Depreciation expense totaled $37,000 and $52,000 for the three months ended March 31, 2023 and 2022, respectively.

Intangible assets, net, consisted of the following:


	March 31,		December 31,
	2023		2022

Intangible assets, net	(in thousands)
Patents and trademarks	$	658	$	658
Less: accumulated amortization		(594)		(582)
Total intangible assets, net	$	64	$	76

Amortization expense totaled $12,000 and $15,000 for the three months ended March 31, 2023 and 2022, respectively. Future amortization expense on existing intangible assets is as follows:


Years ending December 31,	(in thousands)
2023 (remainder of year)	$	30
2024		27
2025		7
2026		—
2027		—
Thereafter		—
	$	64

Accrued liabilities consisted of the following:


	March 31,		December 31,
	2023		2022

Accrued liabilities	(in thousands)
Accrued wages and benefits	$	177	$	320
Accrued vacation		228		223
Other accrued liabilities		125		25
Total accrued liabilities	$	530	$	568