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ORDINARY SHARE AND SHARE INCENTIVE PLANS (Tables)

12 Months Ended

Dec. 31, 2024

Summary of Stock-based Compensation Expense Recognized in Consolidated Statements of Comprehensive Loss

			Years Ended December 31,
			2024				2023				2022
			(in thousands)
Cost of net sales		$		—			$	28			$	97
Selling, general and administrative				117				151				258
Research and development				—				114				248
Total		$		117			$	293			$	603

2017 Equity Incentive Plan

Summary of Stock Options Activity

						Weighted
		Number of				average
		shares				exercise
		outstanding				price
		(in thousands)
Options Outstanding, December 31, 2022			347			$	4.39
Options granted			—				—
Options exercised			(1	)			4.28
Options cancelled			(8	)			4.45
Options forfeited or expired			(16	)			4.44
Options Outstanding, December 31, 2023			322			$	4.39
Options granted			—				—
Options exercised			—				—
Options cancelled			—				—
Options forfeited or expired			(8	)			4.40
Options Outstanding, December 31, 2024			314			$	4.39

Summary of Unvested Restricted Awards

						Weighted
						average
						grant date
		Shares				fair value
		(in thousands)
Total nonvested restricted stock at December 31, 2022			43			$	5.65
Granted			30				3.79
Vested			(38	)			5.32
Forfeited			—				—
Total nonvested restricted stock at December 31, 2023			35			$	3.28
Granted			43				3.03
Vested			(20	)			3.79
Forfeited			—				—
Total nonvested restricted stock at December 31, 2024			58			$	2.91

Summary of Significant Ranges of Outstanding and Exercisable Stock Options

												Weighted
								Number of shares				Average				Weighted				Number of shares				Weighted
Range of								Outstanding				Remaining				Average				Exercisable				Average
Exercise Prices								as of 12/31/2024				Contractual Term				Exercise Price				as of 12/31/2024				Exercise Price
$	4.28			$	4.28				190,194			3.92				$	4.28				190,194			$	4.28
$	4.56			$	4.56				123,427				2.92			$	4.56				123,427			$	4.56

		Number of shares				Weighted average exercise price
Options exercisable as of December 31, 2024			313,621			$	4.39
Options vested and expected to vest as of December 31, 2024			313,621			$	4.39

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- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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