Note 13 - Stock Compensation Plans	3 Months Ended
Mar. 31, 2024
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	13. Stock Compensation Plans On June 28, 2012, the Company adopted the 2012 Equity Incentive Plan (“2012 Plan”), with the approval of the shareholders, which provided for the grant of stock options to officers, employees, consultants and directors of the Company and its subsidiaries. The 2012 Plan provides for the granting to employees of incentive stock options within the meaning of Section 422 of the Internal Revenue Code of 1986, as amended, and for the granting to employees and consultants of non-statutory stock options. In addition, the Plan permits the granting of stock appreciation rights, or SARs, with or independently of options, as well as stock bonuses and rights to purchase restricted stock. A total of 30,000,000 shares of the Company’s common stock may be granted under the 2012 Equity Incentive Plan, and all options granted under this plan had exercise prices that were equal to the fair market value on the date of grant. On December 16, 2021, the Company granted option grants under the Company’s 2012 Equity Incentive Plan, as approved to by the Board, for employees up to 1,400,000 shares of the Company’s common stock in total. Under this plan, the Company had outstanding grants of options to purchase 3,073,000 and 2,993,000 shares of the Company’s common stock as of March 31, 2024 and December 31, 2023, respectively. On January 27, 2015, the Company adopted its 2015 Equity Incentive Plan (“2015 Plan”), which provided for the grant of stock options to officers, employees, consultants and directors of the Company and its subsidiaries. A total of 40,000,000 shares of the Company’s common stock are available for issuance under the 2015 Plan. All options granted under the 2015 Plan had exercise prices that were equal to the fair market value on the dates of grant. Under the 2015 Plan, the Company granted options on July 7, 2021 to purchase 7,500,000 shares of Company common stock to Mr. Chung, options on December 16, 2021 to purchase 600,000 shares of Company’s common stock to directors, and options on March 12, 2024 to purchase 9,250,000 shares of Company’s common stock to employees and director. FASB ASC 718, Compensation – Stock Compensation, requires all share-based payments to employees, including grants of employee stock options, to be recognized in the financial statements based on their fair values. Under ASC 718, the Company is required to measure the cost of employee services received in exchange for stock options and similar awards based on the grant-date fair value of the award and recognize this cost in the income statement over the period during which an employee is required to provide service in exchange for the award. Stock based compensation expense attributable to these plans was $25 and $34 for the three months ended March 31, 2024 and 2023, respectively. Expected volatilities are based on historical volatility expected over the expected life of the options. The Company uses historical data to estimate option exercise and employee termination within the valuation model. The expected term of options granted represents the period of time that options granted are expected to be outstanding. Expected forfeiture rates are determined based on historical forfeitures over a five-year period. The risk-free rate used for the period within the expected life of the options is based on U.S. Treasury rates in effect at the time of grant.

Note 13 - Stock Compensation Plans

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Text Block]

13. Stock Compensation Plans

On June 28, 2012, the Company adopted the 2012 Equity Incentive Plan (“2012 Plan”), with the approval of the shareholders, which provided for the grant of stock options to officers, employees, consultants and directors of the Company and its subsidiaries. The 2012 Plan provides for the granting to employees of incentive stock options within the meaning of Section 422 of the Internal Revenue Code of 1986, as amended, and for the granting to employees and consultants of non-statutory stock options. In addition, the Plan permits the granting of stock appreciation rights, or SARs, with or independently of options, as well as stock bonuses and rights to purchase restricted stock. A total of 30,000,000 shares of the Company’s common stock may be granted under the 2012 Equity Incentive Plan, and all options granted under this plan had exercise prices that were equal to the fair market value on the date of grant. On December 16, 2021, the Company granted option grants under the Company’s 2012 Equity Incentive Plan, as approved to by the Board, for employees up to 1,400,000 shares of the Company’s common stock in total. Under this plan, the Company had outstanding grants of options to purchase 3,073,000 and 2,993,000 shares of the Company’s common stock as of March 31, 2024 and December 31, 2023, respectively.

On January 27, 2015, the Company adopted its 2015 Equity Incentive Plan (“2015 Plan”), which provided for the grant of stock options to officers, employees, consultants and directors of the Company and its subsidiaries. A total of 40,000,000 shares of the Company’s common stock are available for issuance under the 2015 Plan. All options granted under the 2015 Plan had exercise prices that were equal to the fair market value on the dates of grant. Under the 2015 Plan, the Company granted options on July 7, 2021 to purchase 7,500,000 shares of Company common stock to Mr. Chung, options on December 16, 2021 to purchase 600,000 shares of Company’s common stock to directors, and options on March 12, 2024 to purchase 9,250,000 shares of Company’s common stock to employees and director.

FASB ASC 718, Compensation – Stock Compensation, requires all share-based payments to employees, including grants of employee stock options, to be recognized in the financial statements based on their fair values. Under ASC 718, the Company is required to measure the cost of employee services received in exchange for stock options and similar awards based on the grant-date fair value of the award and recognize this cost in the income statement over the period during which an employee is required to provide service in exchange for the award.

Stock based compensation expense attributable to these plans was $25 and $34 for the three months ended March 31, 2024 and 2023, respectively.

Expected volatilities are based on historical volatility expected over the expected life of the options. The Company uses historical data to estimate option exercise and employee termination within the valuation model. The expected term of options granted represents the period of time that options granted are expected to be outstanding. Expected forfeiture rates are determined based on historical forfeitures over a five-year period. The risk-free rate used for the period within the expected life of the options is based on U.S. Treasury rates in effect at the time of grant.