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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2026

Share-Based Payment Arrangement [Abstract]

Summary of Stock Option Activity

A summary of iMDx’s 2010 Plan and 2018 Incentive Plan activity and related information follows:

		Options														Nonvested RSUs
		Number Outstanding				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value				Number Outstanding				Weighted Average Grant Date Fair Value
		(In thousands, except weighted average amounts)
Balance at December 31, 2025			2,251			$	7.11			8.92 years		$	8,537				852			$	3.03
Awards granted			—			$	—										—			$	—
Options exercised			—			$	—					$	—			n/a				n/a
RSUs vested		n/a				n/a											(168	)		$	3.18
Options forfeited/expired			(2	)		$	61.20									n/a				n/a
RSUs forfeited		n/a				n/a											—			$	—
Balance at March 31, 2026			2,249			$	7.06			8.68 years		$	279				684			$	3.00
Options vested and expected to vest at March 31, 2026			2,249			$	7.06			8.68 years		$	279
Options exercisable at March 31, 2026			635			$	16.66			7.21 years		$	141
Stock-based compensation expense for the period		$	373													$	242
Unrecognized stock-based compensation expense		$	3,476													$	1,681
Weighted average remaining recognition period		2.39 years														2.18 years

Schedule of Assumptions Used to Calculate Fair Value of Stock Options

The assumptions used to calculate the Black-Scholes grant date fair value for such time-based awards were as follows:

		Three Months Ended March 31,
		2026				2025
Expected life			—			6.18 years
Risk-free interest rates			—				4.15	%
Volatility			—				103.71	%
Dividend yield			—				0	%

Summary of Stock-based Compensation Expense

iMDx recorded stock-based compensation expense in the following categories on the accompanying consolidated statements of operations:

		Three Months Ended March 31,
		2026				2025
		(In thousands)
Cost of revenues		$	—			$	—
Research and development			159				195
Sales and marketing			58				38
General and administrative			398				240
Total		$	615			$	473

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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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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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