Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2025

Share-based Compensation

Schedule of stock option activity

	Number of shares			Weighted average exercise price
Options outstanding at beginning of year		37,956		$	49.76
Granted		—			—
Less:
Exercised		—			—
Forfeited prior to vesting		—			—
Canceled or expired		(667	)		198.00
Options outstanding at June 30, 2025		37,289			47.11
Options exercisable at end of June 30, 2025		22,953		$	70.69

Schedule of share-based compensation expense

	Three months ended June 30,					Six months ended June 30,
	2025			2024		2025		2024
Cost of goods sold	$	1		$	2	$	1	$	3
Sales and marketing		(1	)		2		—		4
Research and product development		3			12		7		25
General and administrative		18			6		36		16
	$	21		$	22	$	44	$	48