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Note 11 - Notes Payable and Long-term Debt (Details Textual) $ in Thousands	Jul. 31, 2025 USD ($)	Jul. 29, 2025 USD ($)	Jul. 18, 2025 USD ($)	Jun. 26, 2025 USD ($)	Jun. 12, 2025 USD ($)	Jun. 07, 2022 USD ($)	May 24, 2019	Sep. 30, 2025 USD ($)	Jul. 29, 2025 CNY (¥)	Jul. 23, 2025 CNY (¥)	Jul. 18, 2025 CNY (¥)	Jun. 26, 2025 CNY (¥)	Jun. 12, 2025 CNY (¥)	Jun. 07, 2025 CNY (¥)	Dec. 31, 2024 USD ($)	May 24, 2024 USD ($)	May 24, 2024 CNY (¥)
Debt Instrument, Unused Borrowing Capacity, Amount								$ 43,800							$ 24,800
Cash Collateral for Borrowed Securities								9,700							8,500
SPD Bank [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity															24,300
SPD Bank [Member] | Revolving Credit Facility [Member] | Renewed SPD Credit Line [Member]
Line of Credit Facility, Maximum Borrowing Capacity								35,200
SPD Bank [Member] | Global Technology, Inc. [Member] | Revolving Credit Facility [Member] | The SPD Credit Line [Member]
Debt Instrument, Term (Year)							5 years
SPD Bank [Member] | Global Technology, Inc. [Member] | Revolving Credit Facility [Member] | Renewed SPD Credit Line [Member]
Debt Instrument, Term (Year)			1 year
Line of Credit Facility, Maximum Borrowing Capacity			$ 11,400						¥ 82,000,000	¥ 82,000,000	¥ 82,000,000					$ 23,900	¥ 170,000,000
Shanghai Pudong Development Bank Co., Ltd. [Member] | Global Technology, Inc. [Member] | Revolving Credit Facility [Member]
Debt Instrument, Term (Year)		5 years
Line of Credit Facility, Maximum Borrowing Capacity		$ 34,900							¥ 250,000,000
Long-Term Line of Credit								14,400
Shanghai Pudong Development Bank Co., Ltd. [Member] | Global Technology, Inc. [Member] | Revolving Credit Facility [Member] | The ¥250M Credit Facility [Member]
Bank Acceptances Executed								19,900
Debt Instrument, Unused Borrowing Capacity, Amount								6,900
China Zheshang Bank Co., Ltd [Member] | Revolving Credit Facility [Member] | The ¥200M Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity															$ 28,500
China Zheshang Bank Co., Ltd [Member] | Global Technology, Inc. [Member] | Revolving Credit Facility [Member] | The ¥50M Credit Facility [Member]
Debt Instrument, Term (Year)						5 years
China Zheshang Bank Co., Ltd [Member] | Global Technology, Inc. [Member] | Revolving Credit Facility [Member] | The ¥200M Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity						$ 29,900				¥ 200,000,000				¥ 200,000,000
Bank Acceptances Executed								4,300
China Construction Bank Co., Ltd. [Member] | Global Technology, Inc. [Member] | Revolving Credit Facility [Member] | CCB Credit Line [Member]
Debt Instrument, Term (Year)				5 years
Line of Credit Facility, Maximum Borrowing Capacity				$ 22,700								¥ 162,260,000
Long-Term Line of Credit								13,600
Bank Acceptances Executed								7,000
Debt Instrument, Unused Borrowing Capacity, Amount								1,900
China Construction Bank Co., Ltd. [Member] | Global Technology, Inc. [Member] | Line of Credit [Member] | CCB Credit Facility [Member]
Debt Instrument, Term (Year)					1 year
Line of Credit Facility, Maximum Borrowing Capacity					$ 13,500								¥ 96,800,000
BOK Financial [Member] | Revolving Credit Facility [Member] | BOKF Credit Line [Member]
Debt Instrument, Term (Year)	3 years
Line of Credit Facility, Maximum Borrowing Capacity	$ 35,000
Long-Term Line of Credit								$ 0
Line of Credit Facility, Additional Lender Commitments	40,000
Line of Credit Facility, Maximum Aggregate Capacity	$ 75,000

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- Definition

The amount of additional lender commitments for a line of credit facility.

+ References

No definition available.

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- Definition

The maximum aggregate capacity for a line of credit facility. Includes additional lender commitments.

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- Definition

The amount of the financial institution's obligation to pay the holder of the customer's draft which the financial institution has guaranteed (i.e., Banker's Acceptance).

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- Definition

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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