Nature of Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Nature of Business and Significant Accounting Policies [Abstract]

Inventories

Inventories consisted of the following as of December 31:

(in thousands)	2024			2023
Finished Goods	$	512		$	393
Work in Process		131			207
Raw Materials		1,310			1,472
Inventory Reserve		(235	)		(75	)
Total	$	1,718		$	1,997

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,
	2024		2023
Stock options		3,873		3,091
Warrants to purchase common stock		5,325,096		84,676
Series F convertible preferred stock		68,961		3,683
Series J convertible preferred stock		72		8,451
Total		5,398,002		99,901

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)	2024			2023
Net loss	$	(11,165	)	$	(20,209	)
Deemed dividend attributable to Series J Convertible Preferred Stock		541			(2,297	)
Dividend on Series J Convertible Preferred Stock		—			(121	)
Net loss to common shareholders		(10,624	)		(22,627	)
Weighted average shares outstanding		1,327			56
Basic and diluted loss per share	$	(8.41	)	$	(360.06	)