Note 5 - Share-based Payments	9 Months Ended
Sep. 30, 2023
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	(5) Share-Based Payments The Company measures the cost of employee services received in exchange for an award of equity instruments based on the grant date fair value of the award. That cost is recognized over the period during which an employee is required to provide services in exchange for the award, the requisite service period (usually the vesting period). The Company provides an estimate of forfeitures at initial grant date. Reductions in compensation expense associated with the forfeited options are estimated at the date of grant, and this estimated forfeiture rate is adjusted periodically based on actual forfeiture experience. The Company uses the Black-Scholes option pricing model to determine the fair value of the stock options granted. During the quarter ended September 30, 2023 there were 229,500 stock options granted under the Plan. There were 25,000 stock options granted under the Plan during the quarter ended October 1 2022. During the quarter ended September 30, 2023, 55,000 options were exercised at a weighted average cost of $2.65 per share. During the quarter ended September 30, 2023, 27,400 options were forfeited and none expired. During the quarter ended October 1, 2022, no options were exercised, 10,000 options were forfeited and none expired. During the quarter ended September 30, 2023, the Company repurchased 138,200 shares for employees to facilitate their exercise of stock options. During the quarter ended October 1, 2022, the Company did not repurchase any shares for employees to facilitate their exercise of stock options. There were also 901,900 shares outstanding at a weighted average price of $2.67 with a weighted average remaining term of 6.7 years as of September 30, 2023, and there were 497,000 shares exercisable at a weighted average price of $2.43 with a weighted average remaining term of 4.8 years as of September 30, 2023. The Plan, as amended, is authorized to issue 1,500,000 shares of common stock. As of September 30, 2023, there were 834,300 shares available for future grants. During the three and nine months ended September 30, 2023, the Company recognized approximately $28 thousand and $176 thousand, respectively, as share-based compensation expense related to share and option grants. These amounts are included as a component of selling, general and administrative expenses in the statement of operations. During the three and nine months ended October 1, 2022, the Company recognized approximately $43 thousand and $207 thousand, respectively, as share-based compensation expense related to share and option grants. These amounts are included as a component of selling, general and administrative expenses in the statement of operations.

Note 5 - Share-based Payments

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Text Block]

(5) Share-Based Payments

The Company measures the cost of employee services received in exchange for an award of equity instruments based on the grant date fair value of the award. That cost is recognized over the period during which an employee is required to provide services in exchange for the award, the requisite service period (usually the vesting period). The Company provides an estimate of forfeitures at initial grant date. Reductions in compensation expense associated with the forfeited options are estimated at the date of grant, and this estimated forfeiture rate is adjusted periodically based on actual forfeiture experience. The Company uses the Black-Scholes option pricing model to determine the fair value of the stock options granted.

During the quarter ended September 30, 2023 there were 229,500 stock options granted under the Plan. There were 25,000 stock options granted under the Plan during the quarter ended October 1 2022.

During the quarter ended September 30, 2023, 55,000 options were exercised at a weighted average cost of $2.65 per share. During the quarter ended September 30, 2023, 27,400 options were forfeited and none expired. During the quarter ended October 1, 2022, no options were exercised, 10,000 options were forfeited and none expired.

During the quarter ended September 30, 2023, the Company repurchased 138,200 shares for employees to facilitate their exercise of stock options. During the quarter ended October 1, 2022, the Company did not repurchase any shares for employees to facilitate their exercise of stock options.

There were also 901,900 shares outstanding at a weighted average price of $2.67 with a weighted average remaining term of 6.7 years as of September 30, 2023, and there were 497,000 shares exercisable at a weighted average price of $2.43 with a weighted average remaining term of 4.8 years as of September 30, 2023. The Plan, as amended, is authorized to issue 1,500,000 shares of common stock. As of September 30, 2023, there were 834,300 shares available for future grants.

During the three and nine months ended September 30, 2023, the Company recognized approximately $28 thousand and $176 thousand, respectively, as share-based compensation expense related to share and option grants. These amounts are included as a component of selling, general and administrative expenses in the statement of operations.

During the three and nine months ended October 1, 2022, the Company recognized approximately $43 thousand and $207 thousand, respectively, as share-based compensation expense related to share and option grants. These amounts are included as a component of selling, general and administrative expenses in the statement of operations.