Nature of Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2025

Nature of Business and Significant Accounting Policies [Abstract]

Cash and Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash presented in the consolidated statement of cash flows as of December 31, 2025 (in thousands):


Cash and cash equivalents	$	1,085
Restricted cash		105
Total cash, cash equivalents, and restricted cash	$	1,190

Inventories

Inventories consisted of the following as of December 31:


(in thousands)	2025			2024
Finished Goods	$	445		$	512
Work in Process		88			131
Raw Materials		1,457			1,310
Inventory Reserve		(80	)		(235	)
Total	$	1,910		$	1,718

Estimated Useful Lives

Depreciation expense has been calculated using the following estimated useful lives:


Production Equipment	3-7 years
Office Furniture and Fixtures	3-5 years
Computer Software and Equipment	3-4 years
Loaners and demo equipment	1-5 years
Leasehold improvements	3-5 years

Potential Shares of Common Stock not Included in Diluted Net Loss Per Share

The following table sets forth the potential shares of common stock that are not included in the calculation of diluted net loss per share because to do so would be anti-dilutive as of the end of each year presented:


	December 31,
	2025		2024
Stock options		4,452		78
Warrants to purchase common stock		1,334,937		127,768
Series F convertible preferred stock		10,719		50,419
Series F-1 convertible preferred stock		13,498		—
Series J convertible preferred stock		81		72
Total		1,363,687		178,337

Reconciles Reported Net Loss with Reported Net Loss Per Share

The following table reconciles reported net loss with reported net loss per share for the years ended December 31:


(in thousands, except per share amounts)	2025			2024
Net loss	$	(17,521	)	$	(11,165	)
Deemed dividend attributable to Series J Convertible Preferred Stock		4			541
Net loss to common shareholders		(17,517	)		(10,624	)
Weighted average shares outstanding		690,145			31,601
Basic and diluted loss per share	$	(25.39	)	$	(353.30	)