Note 8 - Bank Loans and Line of Credit (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule of Short-Term Debt [Table Text Block]

		*Interest*						*December 31,*				*December 31,*
Bank		*Rate*			*Start Date*	*Due Date*		*2025*				*2024*
Bank of China ⁽¹⁾			2.3	%	September-24	September-25		$	—			$	1,096
			2.4	%	December-24	December-25			—				274
			2.7	%	January-25	January-26			722				—
			2.7	%	March-25	March-26			605				—
			2.6	%	July-25	July-26			114				—
			2.6	%	September-25	September-26			722				—
			2.4	%	September-25	September-26			1,433				—
			2.2	%	September-25	September-26			858				—
Bank of China ⁽³⁾			2.4	%	September-24	September-25			—				1,370
			2.4	%	November-24	November-25			—				1,370
			2.7	%	November-24	November-25			—				685
			2.5	%	February-25	February-26			2,582				—
Bank of Communications ⁽¹⁾			3.0	%	May-24	May-25			—				1,644
			3.0	%	June-24	May-25			—				2,466
			2.6	%	June-25	June-26			2,861				—
			2.4	%	December-25	June-26			1,433				—
China Merchants Bank ⁽¹⁾			3.5	%	January-24	January-25			—				1,370
			3.5	%	February-24	February-25			—				685
			3.5	%	April-24	April-25			—				685
			2.9	%	January-25	January-26			3,275				—
			2.9	%	March-25	March-26			1,022				—
			2.4	%	June-25	June-26			432				—
			2.3	%	September-25	September-26			1,003				—
Bank of Beijing ⁽²⁾			3.0	%	March-24	February-25			—				3,565
			3.0	%	June-24	June-25			—				3,565
			2.7	%	March-25	March-26			2,295				—
			2.6	%	June-25	March-26			1,430				—
			2.6	%	June-25	June-26			3,716				—
Industrial Bank ⁽¹⁾			3.9	%	September-24	September-25			—				2,740
			3.9	%	October-24	October-25			—				2,679
			3.2	%	November-24	November-25			—				1,440
			2.7	%	November-24	November-25			—				1,370
			3.1	%	September-25	September-26			145				—
			2.7	%	October-25	October-26			5,474				—
			2.7	%	November-25	November-26			1,672				—
			2.2	%	November-25	November-26			1,433				—
Industrial Bank ⁽⁵⁾			3.1	%	October-25	October-26			149				—
			3.1	%	November-25	November-26			158				—
			3.1	%	December-25	December-26			190				—
Industrial Bank ⁽⁴⁾			3.8	%	March-25	March-26			1,433				—
NingBo Bank ⁽¹⁾			4.3	%	January-24	January-25			—				1,630
			4.3	%	May-24	March-25			—				1,255
			3.9	%	November-24	November-25			—				1,822
			3.9	%	December-24	December-25			—				550
			3.9	%	January-25	January-26			1,655				—
			3.9	%	March-25	March-26			722				—
			3.9	%	Apr-25	March-26			645				—
			3.8	%	June-25	June-26			593				—
			3.8	%	July-25	July-26			645				—
			3.8	%	August-25	July-26			436				—
			3.2	%	December-25	December-26			1,315				—
Industrial and Commercial Bank of China ⁽¹⁾			3.3	%	September-24	September-25			—				2,740
			2.8	%	September-24	September-25			—				1,370
			2.4	%	August-25	August-26			1,433				—
			2.4	%	September-25	August-26			1,433				—
			2.2	%	September-25	September-26			1,433				—
			2.3	%	September-25	September-26			286				—
			2.3	%	October-25	September-26			2,575				—
China Citic Bank ⁽¹⁾			2.9	%	June-24	June-25			—				2,740
			2.9	%	July-24	July-25			—				2,740
			2.9	%	September-24	September-25			—				1,370
			2.3	%	September-25	September-26			5,005				—
Agricultural Bank of China ⁽¹⁾			2.6	%	November-24	November-25			—				1,235
			2.6	%	December-24	December-25			—				137
			2.3	%	December-25	December-26			929				—
Bank of Hangzhou ⁽¹⁾			2.5	%	September-25	September-26			4,288				—
NanJing Bank ⁽¹⁾			2.8	%	December-24	December-25			—				1,370
Loan Balance								$	58,550			$	45,963

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

Maturity of long-term loans
2026		$	4,323
2027			1,179
2028			1,464
2029			2,597
2030			—