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Note 17 - Subsequent Events (Details Textual) - USD ($) |  | 1 Months Ended | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 24, 2023 | May 09, 2023 | Apr. 01, 2023 | Apr. 02, 2022 | Apr. 25, 2023 | Nov. 12, 2021 | Jan. 13, 2021 | Oct. 18, 2019
Treasury Stock, Shares, Acquired (in shares) |  |  | 640,578 | 406,480 |  |  |  |
Shares Acquired, Average Cost Per Share (in dollars per share) |  |  | $ 12.76 | $ 6.84 |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  | $ 8,184,000 | $ 2,781,000 |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  | $ 2,000,000.0 |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  | $ 19,100,000 | $ 7,500,000 |
Subsequent Event [Member] | Treasury Stock Repurchase Program, Authorized April 2023 [Member] |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 333,686 | 595,910 |  |  |  |  |  |
Shares Acquired, Average Cost Per Share (in dollars per share) | $ 11.91 | $ 11.92 |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 25,000,000.0 |  |  |
Treasury Stock, Value, Acquired, Cost Method |  | $ 7,100,000 |  |  |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  | $ 23,900,000 |  |  |  |  |  |
Citizens Bank of Pennsylvania [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | $ 45,000,000.0
Citizens Bank of Pennsylvania [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 45.0 |  |  |  |  |  |  |
Debt Instrument, Maximum Net Loss Arising From Sale of Asset or Stock Included in Ebitda | 5,000,000.00 |  |  |  |  |  |  |
Debt Instrument, Covenant, Maximum Permitted Consulting Expenses | $ 1,000,000 |  |  |  |  |  |  |
Citizens Bank of Pennsylvania [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.10% |  |  |  |  |  |  |
Citizens Bank of Pennsylvania [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.225% |  |  |  |  |  |  |
Citizens Bank of Pennsylvania [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |  |  |  |  |  |  |
Citizens Bank of Pennsylvania [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |  |  |  |  |  |

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