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Note 9 - Notes Payable - Schedule of Notes Payable at Face Value and Notes Payable to Related Parties (Details) (Parentheticals) - USD ($)
$ in Millions

9 Months Ended

12 Months Ended

Sep. 30, 2024

Dec. 31, 2023

May 31, 2022

Jun. 30, 2019

Dec. 31, 2018

Dec. 31, 2017

Phoenix [Member]

Interest rate

8.00%

^[1],[2]

8.00%

Debt maturity

Aug. 26, 2024

^[1],[2]

Aug. 26, 2024

Revolving Credit Facility Expiring December 1, 2026 [Member]

Revolving credit facility, maximum borrowing capacity

$ 65.0

^[1],[2]

$ 65.0

Revolving credit facility, expiration date

Dec. 01, 2026

^[1],[2]

Dec. 01, 2026

Revolving Credit Facility [Member]

Amount of securing assets

$ 2,536.3

^[1],[2]

$ 2,252.9

Interest rate

7.00%

^[1],[2]

6.30%

Revolving Credit Facility Expiring October 30, 2025 [Member]

Revolving credit facility, maximum borrowing capacity

$ 50.0

^[1],[2]

$ 50.0

Revolving credit facility, expiration date

Oct. 30, 2025

^[1],[2]

Oct. 30, 2025

Revolving Credit Facility Expiring December 15, 2025 [Member]

Revolving credit facility, maximum borrowing capacity

$ 100.0

^[1],[2]

$ 100.0

$ 100.0

Revolving credit facility, expiration date

Dec. 15, 2025

^[1],[2]

Dec. 15, 2025

Revolving Credit Facility Expiring July 20, 2025 [Member]

Revolving credit facility, maximum borrowing capacity

$ 50.0

^[1],[2]

$ 50.0

$ 50.0

Revolving credit facility, expiration date

Jul. 20, 2025

^[1],[2]

Jul. 20, 2025

Revolving Credit Facility Expiring December 11, 2024 [Member]

Revolving credit facility, maximum borrowing capacity

$ 20.0

^[1],[2]

$ 20.0

$ 20.0

Revolving credit facility, expiration date

Dec. 11, 2024

^[1],[2]

Dec. 11, 2024

Revolving Credit Facility, Paid Off May, 2024 [Member]

Revolving credit facility, maximum borrowing capacity

$ 250.0

Revolving credit facility, pay off date

May 31, 2024

Revolving Credit Facility Expiring July 15, 2027 [Member]

Revolving credit facility, maximum borrowing capacity

$ 50.0

^[1],[2]

$ 50.0

Revolving credit facility, expiration date

Jul. 15, 2027

^[1],[2]

Jul. 15, 2027

Revolving Credit Facility Expiring December 15, 2026 [Member]

Revolving credit facility, maximum borrowing capacity

$ 300.0

^[1],[2]

$ 300.0

Revolving credit facility, expiration date

Dec. 15, 2026

^[1],[2]

Dec. 15, 2026

Revolving Credit Facility Expiring May 15, 2026 [Member]

Revolving credit facility, maximum borrowing capacity

$ 300.0

^[1],[2]

$ 300.0

Revolving credit facility, expiration date

May 15, 2026

^[1],[2]

May 15, 2026

Revolving Credit Facility, Sold May 2022, Expiring November 15, 2028 [Member]

Revolving credit facility, maximum borrowing capacity

$ 325.0

^[1],[2]

$ 325.0

$ 325.0

Revolving credit facility, expiration date

Nov. 15, 2028

^[1],[2]

Nov. 15, 2028

Revolving Credit Facility Expiring August 5, 2026 [Member]

Revolving credit facility, maximum borrowing capacity

$ 158.3

^[1],[2]

$ 158.3

Revolving credit facility, expiration date

Aug. 05, 2026

^[1],[2]

Aug. 05, 2026

Revolving Credit Facility Expiring March 15, 2027 [Member]

Revolving credit facility, maximum borrowing capacity

$ 100.0

^[1],[2]

$ 100.0

Revolving credit facility, expiration date

Mar. 15, 2027

^[1],[2]

Mar. 15, 2027

Revolving Credit Facility Expiring August 30, 2027 [Member]

Revolving credit facility, maximum borrowing capacity

^[1],[2]

$ 25.0

Revolving credit facility, expiration date

^[1],[2]

Aug. 30, 2027

Revolving Credit Facility Expiring February 15, 2028 [Member]

Revolving credit facility, maximum borrowing capacity

$ 300.0

^[1],[2]

$ 300.0

Revolving credit facility, expiration date

Feb. 15, 2028

^[1],[2]

Feb. 15, 2028

Revolving Credit Facility Expiring May 17, 2027 [Member]

Revolving credit facility, maximum borrowing capacity

$ 150.0

^[1],[2]

$ 150.0

Revolving credit facility, expiration date

May 17, 2027

^[1],[2]

May 17, 2027

Revolving Credit Facility, Sold May 2024, Expiring November 15, 2028 [Member]

Revolving credit facility, maximum borrowing capacity

$ 250.0

^[1],[2]

$ 250.0

Revolving credit facility, expiration date

Nov. 15, 2028

^[1],[2]

Nov. 15, 2028

Revolving Credit Facility Expiring March 29, 2025 1 [Member]

Revolving credit facility, maximum borrowing capacity

$ 150.0

^[1],[2]

$ 150.0

Revolving credit facility, expiration date

Mar. 29, 2025

^[1],[2]

Mar. 29, 2025

Revolving Credit Facility Expiring March 29, 2025 2 [Member]

Revolving credit facility, maximum borrowing capacity

$ 32.8

Revolving credit facility, expiration date

Mar. 29, 2025

[1]	As of June 30, 2024, the Prime Rate was 8.50% and the Secured Overnight Financing Rate ("SOFR") was 5.33%.
[2]	As of September 30, 2024, the Prime Rate was 8.00%, the Term Secured Overnight Financing Rate ("Term SOFR") was 4.85% and the Secured Overnight Financing Rate ("SOFR") was 4.96%.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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