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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Stock-Based Compensation

Schedule of Options Activity

		Stock Options				Weighted Average Exercise Price				Weighted Average Remaining Life (in years)				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2022			990			$	11,405
Options assumed in Old Catheter Merger			753,699			$	1				-			$	-
Options exercised			(402,328	)		$	1				-			$	-
Canceled/forfeited			(137,709	)		$	75				-			$	-
Outstanding at September 30, 2023			214,652			$	6				6.6			$	-
Vested and expected to vest at September 30, 2023			214,652			$	6				6.6			$	-
Exercisable at September 30, 2023			214,652			$	6				6.6			$	-

Schedule of Restricted Stock Units Activity

		Restricted Stock Units				Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022			61			$	450
Vested			(26	)		$	333
Forfeited			(9	)		$	1,129
Outstanding at September 30, 2023			26			$	333

Schedule of Restricted Stock Awards Activity

		Restricted Stock Awards				Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022			948			$	248
Vested			(503	)		$	306
Forfeited			(445	)		$	184
Outstanding at September 30, 2023			-			$	-

Schedule of Stock-based Compensation Expense Recorded in Operating Expenses

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2023				2022				2023				2022
Selling, general and administrative		$	2			$	85			$	1,222			$	302
Research and development			-				(11	)			-				57
Total Stock-based compensation		$	2			$	74			$	1,222			$	359

Schedule of Unrecognized Estimated Stock Based Compensation Expense by Award Type

		Unrecognized Expense (in thousands)				Remaining Weighted Average Recognition Period (in years)
Stock Options		$	-				-
Restricted stock awards		$	-				-
Restricted stock units		$	3				0.3

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