Note T - Commitments and Contingencies	12 Months Ended
Dec. 31, 2023
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	NOTE T—COMMITMENTS AND CONTINGENCIES Employment Agreements and Consultancy Agreements The Company has entered into employment and indemnification agreements with our CEO. The agreement provides that if his employment is terminated as a result of a change of control of the Company, or if his employment is terminated for certain other reasons set forth in the agreements, the Company will be required to pay a severance payment in an amount equal to his annual base salary, and other additional compensation due under the terms of the agreements. The Company has also entered into employment and indemnification agreements with four other named executive officers. These agreements provide that if their employment is terminated as a result of a change of control of the Company, the Company will be required to pay a severance payment in an amount equal to their annual base salary and other additional compensation due under the terms of the agreements. Contingencies From time to time, the Company may be subject to legal proceedings and litigation arising in the ordinary course of business, including, but not limited to, inquiries, investigations, audits and other regulatory proceedings, such as described below. The Company records a loss provision when it believes it is both probable that a liability has been incurred and the amount can be reasonably estimated. Unless otherwise disclosed, the Company is unable to estimate the possible loss or range of loss for the legal proceeding described below. Arbitration filed by Yuhan Optoelectronic Technology (Shanghai) Co., Ltd. On September 12, 2023, the Company delivered notice of termination with respect to that certain Agreement for the Sale and Purchase of a New Company to be Established in Hong Kong Special Administrative Region of the People’s Republic of China (the “Purchase Agreement”), dated September 15, 2022, with Prime World International Holdings Ltd. (the “Seller”) and Yuhan Optoelectronic Technology (Shanghai) Co., Ltd. (the “Purchaser”), pursuant to which the Seller would divest its manufacturing facilities located in the People's Republic of China and certain assets related to its transceiver business and multichannel optical sub-assembly products for the internet data center, FTTH and telecom markets. The termination, in accordance with the terms of the Purchase Agreement, was a result of the Purchaser's failure to satisfy certain of its material obligations under the Purchase Agreement. In terminating the Purchase Agreement, we also asserted the right to recover a break-up fee from the Purchaser. On December 22, 2023, the Purchaser filed for arbitration in Hong Kong with the Hong Kong International Arbitration Centre (“HKIAC”) challenging the validity of our termination notice and seeking specific performance with respect to the transactions contemplated in the Purchase Agreement, which in any case remain subject to regulatory approvals. On January 22, 2024, the Company filed its response, generally denying the Purchaser’s allegations and asserting counterclaims for recovery of a break-up fee. While the Company does not believe the Purchaser’s claims have merit and intends to vigorously defend this matter, it is not able to determine the outcome of this dispute or the likelihood or amount of the Company’s loss or recovery, if any, arising from this matter. If specific performance is granted by HKIAC, the transaction contemplated by the Purchase Agreement would still have to be approved by the Committee on Foreign Investment in the United States prior to its consummation. A hearing date for the arbitration has not been set. Other Contingencies None.

Note T - Commitments and Contingencies

12 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Text Block]

NOTE T—COMMITMENTS AND CONTINGENCIES

Employment Agreements and Consultancy Agreements

The Company has entered into employment and indemnification agreements with our CEO. The agreement provides that if his employment is terminated as a result of a change of control of the Company, or if his employment is terminated for certain other reasons set forth in the agreements, the Company will be required to pay a severance payment in an amount equal to his annual base salary, and other additional compensation due under the terms of the agreements.

The Company has also entered into employment and indemnification agreements with four other named executive officers. These agreements provide that if their employment is terminated as a result of a change of control of the Company, the Company will be required to pay a severance payment in an amount equal to their annual base salary and other additional compensation due under the terms of the agreements.

Contingencies

From time to time, the Company may be subject to legal proceedings and litigation arising in the ordinary course of business, including, but not limited to, inquiries, investigations, audits and other regulatory proceedings, such as described below. The Company records a loss provision when it believes it is both probable that a liability has been incurred and the amount can be reasonably estimated. Unless otherwise disclosed, the Company is unable to estimate the possible loss or range of loss for the legal proceeding described below.

Arbitration filed by Yuhan Optoelectronic Technology (Shanghai) Co., Ltd.

On September 12, 2023, the Company delivered notice of termination with respect to that certain Agreement for the Sale and Purchase of a New Company to be Established in Hong Kong Special Administrative Region of the People’s Republic of China (the “Purchase Agreement”), dated September 15, 2022, with Prime World International Holdings Ltd. (the “Seller”) and Yuhan Optoelectronic Technology (Shanghai) Co., Ltd. (the “Purchaser”), pursuant to which the Seller would divest its manufacturing facilities located in the People's Republic of China and certain assets related to its transceiver business and multichannel optical sub-assembly products for the internet data center, FTTH and telecom markets. The termination, in accordance with the terms of the Purchase Agreement, was a result of the Purchaser's failure to satisfy certain of its material obligations under the Purchase Agreement. In terminating the Purchase Agreement, we also asserted the right to recover a break-up fee from the Purchaser. On December 22, 2023, the Purchaser filed for arbitration in Hong Kong with the Hong Kong International Arbitration Centre (“HKIAC”) challenging the validity of our termination notice and seeking specific performance with respect to the transactions contemplated in the Purchase Agreement, which in any case remain subject to regulatory approvals. On January 22, 2024, the Company filed its response, generally denying the Purchaser’s allegations and asserting counterclaims for recovery of a break-up fee. While the Company does not believe the Purchaser’s claims have merit and intends to vigorously defend this matter, it is not able to determine the outcome of this dispute or the likelihood or amount of the Company’s loss or recovery, if any, arising from this matter. If specific performance is granted by HKIAC, the transaction contemplated by the Purchase Agreement would still have to be approved by the Committee on Foreign Investment in the United States prior to its consummation. A hearing date for the arbitration has not been set.

Other Contingencies

None.