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Note 21 - Related Parties (Details Textual) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 24, 2024 | Feb. 28, 2025 | Mar. 31, 2025 | Mar. 31, 2024 | Mar. 14, 2025 | Aug. 16, 2024
Proceeds from Issuance of Preferred Stock and Preference Stock |  |  | $ 6,000 | $ 0 |  |
KPH Note [Member] |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 1,250 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 6.00% |
KPH Note [Member] | M.L.C. Plumbing, LLC [Member] |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 1,250 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 6.00% |
VA Lafayette [Member] |  |  |  |  |  |
Discontinued Operation, Percentage of Interest Sold |  |  |  |  |  | 100.00%
Redeemable Class B Preferred Stock [Member] |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ 8,300 |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 330,000 |  |  |  |  |
Redeemable Class B Preferred Stock [Member] | Related Party [Member] |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ 5,200 |  |  |  |  |
Redeemable Class C Preferred Stock [Member] |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock |  | $ 6,000 |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 240,000 |  |  |  |
Redeemable Class C Preferred Stock [Member] | Related Party [Member] |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock |  | $ 3,700 |  |  |  |

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