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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2023

Stockholders' Equity Note [Abstract]

Schedule of Designated Preferred Units

As of September 30, 2023, the Company has designated the following preferred stock:

Designated Preferred Shares						September 30, 2023
Series A						4,200
Series B						2,360
Series C						590
Series D						10,000
Series E						40,000
Series E-1						12,960
Series F-1						24,900
Series F-2						24,900
Series F-3						34,860
Series F-4						24,900
Total						179,670

Summary of Avenue Warrant Valued Using the Black-Scholes Option Pricing Method

The Company values stock options using the Black-Scholes option pricing model and used the following assumptions, on a weighted-average basis, during the reporting periods:

			Nine Months Ended September 30,
			2023						2022
Expected terms (years)			5.7						5.4
Expected volatility			160.4%						164.3%
Risk-free interest rate			3.99%						1.86%
Expected dividends			0.00%						0.00%

Summary of Stock Option Activity

The following is a summary of stock option activity for the nine months ended September 30, 2023:

			Number of Options						Weighted Average Exercise Price Per Share						Weighted Average Remaining Contractual Term (in years)						Aggregate Intrinsic Value
Outstanding at January 1, 2023			2,235,052						$	10.30					7.8						$	35,875
Granted			2,122,757						6.08						9.1
Exercised			(819)						4.67
Expired			(115,772)						8.80
Cancelled/Forfeited			(104,390)						7.22
Outstanding at September 30, 2023			4,136,828						$	8.26					8.5						$	72,850
Exercisable at September 30, 2023			2,020,026						$	10.29					7.7						$	—

Summary of Stock Option Shares Outstanding and Exercisable

The following table summarizes information for stock option shares outstanding and exercisable at September 30, 2023:

												Options Outstanding
Range of Exercise Prices						Outstanding Number of Options						Weighted Average Remaining Option Term (in years)						Number of Options
$2.83 - $51.50						4,136,329						8.5						4,136,329
$51.50+						499						5.3						499
						4,136,828						8.5						4,136,828

Summary of Recognized Share-based Compensation Cost

The following is a summary of share-based compensation expense in the statement of operations for the three and nine months ended September 30, 2023:

			Three Months Ended September 30,												Nine Months Ended September 30,
(In thousands)			2023						2022						2023						2022
Selling, general and administrative			$	1,674					$	1,117					$	3,774					$	3,984
Research and development			1,027						458						2,095						1,872
Cost of goods sold			129						52						283						160
Total			$	2,830					$	1,627					$	6,152					$	6,016

Summary of Warrant Activity

The following is a summary of common stock warrant activity for the nine months ended September 30, 2023:

			Warrants						Weighted Average Exercise Price						Weighted Average Remaining Life (in years)
Outstanding at January 1, 2023			5,153,291						$	7.01
Warrants issued			81,848						2.94
Warrants exercised			(569,938)						0.26
Outstanding at September 30, 2023			4,665,201						$	7.76					1.9
Exercisable at September 30, 2023			4,665,201						$	7.76					1.9

The following is a summary of preferred stock warrant activity for the nine months ended September 30, 2023:

			Warrants						Weighted Average Exercise Price						Weighted Average Remaining Life (in years)
Outstanding at January 1, 2023			—						$	—
Warrants issued			59,759						1,000
Warrants exercised			(34,859)						1,000
Outstanding at September 30, 2023			24,900						$	1,000					2.5
Exercisable at September 30, 2023			24,900						$	1,000					2.5

Schedule of Information Related to Stock Warrants Outstanding and Exercisable

The following table presents information related to common stock warrants outstanding at September 30, 2023:

									Warrants Exercisable
Range of Exercise Prices			Outstanding Number of Warrants						Weighted Average Remaining Warrant Term (in years)						Number of Warrants
$0.01			1,037,792						3.4						1,037,792
$6.00			16,666						2.5						16,666
$10.00			3,610,743						1.4						3,610,743
			4,665,201						1.9						4,665,201

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