XML 68 R51.htm IDEA: XBRL DOCUMENT v3.19.3
Note 8 - Stock-based Compensation (Details Textual)
9 Months Ended
Sep. 29, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 691,000
Share-based Payment Arrangement, Option [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 5 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years