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Note 3 - Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three months ended March 31,
						% of								% of
​		2025				Revenue				2024				Revenue
CATV		$	64,501				64.6	%		$	8,736				21.5	%
Data Center			32,049				32.1	%			28,986				71.2	%
Telecom			2,937				2.9	%			2,269				5.6	%
FTTH			—				0.0	%			—				0.0	%
Other			372				0.4	%			682				1.7	%
Total Revenue		$	99,859				100.0	%		$	40,673				100.0	%

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

		Three months ended March 31,
		2025				2024
Unearned revenue, beginning of period		$	—			$	1,803
Additional unearned revenue			—				—
Revenue recognized			—				114
Unearned revenue, end of period		$	—			$	1,689

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

		At Grant Date
Expected volatility			80.00	%
Weighted-average expected term (in years)			10
Risk-free interest rate			4.23	%
Dividend yield			—	%
Fair value per ordinary share at grant date		$	15.87

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Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

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