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Note 12 - Treasury Stock Transactions (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 29, 2020 | Sep. 25, 2020 | Jun. 02, 2020 | Jan. 01, 2022 | Jan. 02, 2021 | Nov. 12, 2021 | Jan. 13, 2021
Treasury Stock, Shares, Acquired (in shares) |  |  | 1,858,139 | 1,930,911 |  |  |
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) |  |  | $ 1.20 | $ 4.68 |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  | $ 10,100 |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  | $ 2,200 | $ 9,043 | $ 2,230 |  |
Note Issued to Acquire Treasury Stock [Member] |  |  |  |  |  |  |
Notes Issued |  |  | $ 2,200 |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 9.00% |  |  |  |
Debt Instrument, Maturity Date |  |  | Aug. 10, 2023 |  |  |  |
Repayments of Subordinated Debt, Total | $ 2,200 | $ 2,200 |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  | $ 19,100 | $ 7,500

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