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Note 16 - Loans and Line of Credit (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

Schedule of Short-Term Debt [Table Text Block]

			Loan				Interest				Start	Due		June 30,				December 31,
Subsidiary	Bank		Detail				Rate				Date	Date		2025				2024
Tongmei	Bank of China (1)		$	689				2.7	%		January-25	January-26		$	690			$	—
				579				2.7	%		March-25	March-26			586				—
	Bank of China (3)			1,410				2.4	%		September-24	September-25			1,410				1,370
				1,370				2.4	%		November-24	November-25			1,410				1,370
				685				2.7	%		November-24	November-25			700				685
				2,480				2.5	%		February-25	February-26			2,490				—
	Bank of Communications (1)			1,376				3.0	%		May-24	May-25			—				1,370
				2,480				3.0	%		June-24	May-25			—				2,466
				1,420				2.5	%		June-25	December-25			1,420				—
				2,023				2.6	%		June-25	June-26			2,023				—
	China Merchants Bank (1)			1,386				3.5	%		January-24	January-25			—				1,370
				692				3.5	%		February-24	February-25			—				685
				692				3.5	%		April-24	April-25			—				685
				3,155				2.9	%		January-25	January-26			3,185				—
				978				2.9	%		March-25	March-26			985				—
	Bank of Beijing (2)			3,600				3.0	%		March-24	February-25			—				3,565
				3,580				3.0	%		June-24	June-25			—				3,565
				2,204				2.7	%		March-25	March-26			2,210				—
				1,405				2.6	%		June-25	March-26			1,405				—
				3,627				2.6	%		June-25	June-26			3,627				—
	Industrial Bank (1)			2,820				3.9	%		September-24	September-25			2,820				2,740
				2,679				3.9	%		October-24	October-25			2,700				2,679
				1,440				3.2	%		November-24	November-25			1,455				1,440
	Industrial Bank (4)			1,380				3.8	%		March-25	March-26			1,390				—
	NingBo Bank (1)			1,647				4.3	%		January-24	January-25			—				1,630
				1,258				4.3	%		May-24	March-25			—				1,255
				1,822				3.9	%		November-24	November-25			1,840				1,822
				550				3.9	%		December-24	December-25			558				550
				1,584				3.9	%		January-25	January-26			1,590				—
				689				3.9	%		March-25	March-26			700				—
				628				3.9	%		Apr-25	March-26			628				—
				579				3.8	%		June-25	June-26			579				—
	Industrial and Commercial Bank of China (1)			2,820				3.3	%		September-24	September-25			2,820				2,740
	China Citic Bank (1)			2,752				2.9	%		June-24	June-25			—				2,740
				2,820				2.9	%		July-24	July-25			2,820				2,740
				1,420				2.9	%		September-24	September-25			1,420				1,370
	Agricultural Bank of China (1)			1,235				2.6	%		November-24	November-25			1,256				1,235
				137				2.6	%		December-24	December-25			140				137
BoYu	Industrial and Commercial Bank of China (1)			1,420				2.8	%		September-24	September-25			1,420				1,370
	Bank of China (1)			1,145				2.3	%		September-24	September-25			837				1,096
				274				2.4	%		December-24	December-25			279				274
	Industrial Bank (1)			1,370				2.7	%		November-24	November-25			1,385				1,370
	Bank of Communications (1)			274				3.0	%		May-24	May-25			—				274
				767				2.6	%		June-25	June-26			767				—
	China Merchants Bank (1)			419				2.4	%		June-25	June-26			419				—
	NanJing Bank (1)			1,370				2.8	%		December-24	December-25			1,385				1,370
	Loan Balance													$	51,349			$	45,963

Schedule of Maturities of Long-Term Debt [Table Text Block]

Maturity of long-term loans
2025		$	977
2026			4,046
2027			977
2028			1,256
2029			2,390

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Tabular disclosure of maturity and sinking fund requirement for long-term debt.

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-SubTopic 10
-Topic 470
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+ References

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