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Note K - Notes Payable and Long-term Debt | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Debt Disclosure [Text Block] | NOTE K—NOTES PAYABLE AND LONG-TERM DEBT Notes payable and long-term debt consisted of the following for the periods indicated (in thousands):
|  | December 31, 2023 |  |  | December 31, 2022 |
Revolving line of credit with a U.S. bank up to $27.8 million with interest at 8.984%, maturing the earlier of either 12/14/2023 or 11/16/2025 if the convertible debt remained in effect |  |  | — |  |  | $ | 25,000 |
Revolving line of credit with a China bank up to $19.04 million with interest from 4.57% to 6.12%, maturing May 24, 2024 |  |  | 12,608 |  |  |  | 13,102 |
Credit facility with a China bank up to $26.65 million with interest of 4.45% to 6.6%, maturing June 6, 2027 |  |  | 10,589 |  |  |  | 20,140 |
Sub-total |  |  | 23,197 |  |  |  | 58,242 |
Less debt issuance costs, net |  |  | — |  |  |  | (1,168 | )
Grand total |  |  | 23,197 |  |  |  | 57,074 |
Less current portion |  |  | (23,197 | ) |  |  | (57,074 | )
Non-current portion |  | $ | - |  |  | $ | - |
Bank Acceptance Notes Payable |  |  |  |  |  |  |  |
Bank acceptance notes issued to vendors with a zero percent interest rate |  | $ | 15,482 |  |  | $ | 12,337 |
The current portion of long-term debt is the amount payable within one year of the balance sheet date of December 31, 2023. On November 16, 2022, the Company entered into a Loan Security and Guarantee Agreement (the “Credit Facility”) with CIT Northbridge Credit, LLC, as agent for secured parties. The Credit Facility provided the Company with a three-year, $27.78 million revolving line of credit. Borrowings under the Credit Facility were to be used to repay senior debt with Truist Bank and for working capital needs, capital expenditures, and other corporate purposes. The Company's obligations under the Credit Facility were secured by the Company's inventory, accounts receivable, instruments, equipment, intellectual property, and all business assets with the exception of real estate and all foreign assets. Borrowings were to bear interest at a rate equal to the Secured Overnight Financing Rate (SOFR) plus 3.75%, while monthly average usage was less than 50% of the Credit Facility, otherwise SOFR plus 4.75%. The Credit Facility was to become due at the earlier date of either November 16, 2025 or 91 days prior to the maturity of the 2024 Notes. On August 16, 2023, the Company delivered a termination notice to CIT to terminate the Credit Facility. As a result of the Company's delivery of such termination notice, the Credit Facility was terminated effective as of November 17, 2023 and was fully repaid. On May 24, 2019, the Company’s China subsidiary, Global, entered into a five-year revolving credit line agreement, totaling 180,000,000 RMB (the “SPD Credit Line”), or approximately $25.4 million, and a mortgage security agreement (the “Security Agreement”), with Shanghai Pudong Development Bank Co., Ltd ("SPD"). Borrowing under the SPD Credit Line will be used for general corporate and capital investment purposes, including the issuance of bank acceptance notes to Global’s vendors. The total SPD Credit Line of 180 million RMB is inclusive of all credit facilities previously entered into with SPD including: a 30 million RMB credit facility entered into on May 7, 2019; and a 9.9 million RMB credit facility entered into on April 30, 2019 and $2 million credit facility entered into on May 8, 2019. Global may draw upon the SPD Credit Line on an as-needed basis at any time during the 5-year term; however, draws under the SPD Credit Line may become due and repayable to SPD at SPD’s discretion due to changes in Chinese government regulations and/or changes in Global’s financial and operational condition. Each draw will bear interest equal to SPD’s commercial banking interest rate effective on the day of the applicable draw. Global’s obligations under the SPD Credit Line will be secured by real property owned by Global and mortgaged to the Bank under the terms of the Security Agreement. As of December 31, 2023, $12.6 million was outstanding under the SPD Credit Line and the outstanding balance of bank acceptance notes issued to vendors was $12.5 million. On June 7, 2022, the Company's China Subsidiary, Global, entered a security agreement with China Zheshang Bank in Ningbo City, China ("CZB") for a five-year credit line agreement, totaling 200,000,000 RMB (the "¥200M Credit Facility"), or approximately $29.9 million. Global may draw upon the ¥200M Credit Facility between June 7, 2022 and June 6, 2027 (" ¥200M Credit Period"). During the ¥200M Credit Period, Global may request to draw upon the ¥200M Credit Facility on an as-needed basis; however, draws under the ¥200M Credit Facility may become due and repayable to CZB at CZB’s discretion due to changes in Chinese government regulations and/or changes in Global’s financial and operational condition. Each draw will be facilitated by a separate credit agreement specifying the terms of each draw and will bear interest equal to CZB's commercial banking interest rate effective on the day of the applicable draw. Global’s obligations under the ¥200M Credit Facility will be secured by real property owned by Global and mortgaged to CZB under the terms of the Real Estate Security Agreement. On December 21, 2023, Global entered into an asset pool business cooperation agreement ("Asset Pool Agreement") and an asset pool pledge contract ("Pledge Contract") (referred to collectively as the Pledge Asset Line"), with CZB, which supplements the existing ¥200M Credit Facility. The Pledge Asset Line does not constitute a new credit line or an increase to the existing credit limits. Global may draw upon the Pledge Asset Line between December 21, 2023 and December 21, 2025 ("Asset Pool Period"). During the Asset Pool Period, Global may request to draw upon the Pledge Asset Line on an as-needed bases; however, amount of available credit under the Pledge Asset Line and approval of each draw may be reduced or declined by CZB due to changes in Chinese government regulations and/or changes in Global's financial and operational condition. Each draw will be facilitated by a separate credit agreement specifying the terms of each draw and will bear interest equal to CZB's commercial banking interest rate effective on the day of the applicable draw. Global's obligations under the Pledge Asset Line will be secured by certain financial assets, including but not limited to, deposit receipts, domestic accounts receivable and electronic commercial paper. As of December 31, 2023, $10.6 million was outstanding under the ¥200M Credit Facility and the outstanding balance of bank acceptance notes issued to vendors was $2.9 million. As of December 31, 2023 and December 31, 2022, the Company had $22.5 million and $13.3 million of unused borrowing capacity, respectively. As of December 31, 2023 and December 31, 2022, there was $9.7 million and $9.9 million of restricted cash, investments or security deposits associated with the loan facilities, respectively.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//470/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1C -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1C Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I + Details
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