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v3.23.2

Note 6 - Investments (Details Textual) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 USD ($) shares | Mar. 31, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) shares | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($)
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | 205 |  |  | 205 |  | 208
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount | $ 95 |  | $ (0) | $ 95 | $ (0) |
Long-Term Debt, Gross | $ 44,981 |  |  | $ 44,981 |  | $ 125,308
Limbach Holdings, Inc. Warrants [Member] |  |  |  |  |  |
Class of Warrant or Right, Outstanding (in shares) | shares | 400,000 |  |  | 400,000 |  |
Stock Issued During Period, Shares, Exercise of Warrants (in shares) | shares | 110,036 |  |  |  |  |
Private Company [Member] |  |  |  |  |  |
Increase (Decrease) in Debt Securities, Trading, and Equity Securities, FV-NI, Total | $ 0 |  | 0 | $ 0 | 0 |
Other-than-temporary Impairment Loss, Debt Securities, Portion Recognized in Earnings | 0 |  | 0 | 0 | 0 |
Limited Liability Investments [Member] |  |  |  |  |  |
Equity Method Investments | 899 |  |  | 899 |  | 983
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments | 0 |  |  | 0 |  |
Limited Liability Investments [Member] | Net Lease [Member] |  |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 0 |  |  | 0 |  |
Net Lease and Argo Holding [Member] |  |  |  |  |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 3,700 |  |  | 3,700 |  | 17,100
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount | 100 |  |  | 100 |  |
Net Lease and Argo Holding [Member] | Maximum [Member] |  |  |  |  |  |
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount |  |  | $ 100 |  | 100 |
Net Lease [Member] | Notes Payable [Member] |  |  |  |  |  |
Proceeds from Issuance of Debt |  | $ 5,200 |  |  |  |
Long-Term Debt, Gross |  | 15,800 |  |  |  |
Proceeds from Collection of Lease Receivables |  | $ 8,100 |  |  |  |
Private Company Investments [Member] |  |  |  |  |  |
Investment Owned, at Fair Value | $ 800 |  |  | 800 |  | $ 800
Other-than-temporary Impairment Loss, Debt Securities, Portion Recognized in Earnings |  |  |  | $ 0 | $ 0 |

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