Note 10 - Bonds Payable, Loans Payable, and Interest - Schedule of Bonds and Loans Payable (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Feb. 12, 2026	Dec. 31, 2025
Series 2021 Bonds [Member]
Principal Amount	$ 166,340		$ 166,340
Carrying Value	$ 162,909		162,815
Series 2021 Bonds [Member] \| Minimum [Member]
Contractual Interest Rates	4.00%
Series 2021 Bonds [Member] \| Maximum [Member]
Contractual Interest Rates	4.25%
Series 2026 Bonds [Member]
Contractual Interest Rates	6.00%	6.00%
Principal Amount	$ 150,000	$ 150,000	0
Carrying Value	146,858		0
Total Bonds Payable [Member]
Principal Amount	316,340		166,340
Carrying Value	309,767		162,815
Term Loan Facility [Member]
Principal Amount	69,796		0
Carrying Value	$ 69,796		0
Yorkville Promissory Note 1 [Member]
Contractual Interest Rates	7.75%
Principal Amount	$ 15,000		15,000
Carrying Value	$ 14,726		14,430
Yorkville Promissory Note 2 [Member]
Contractual Interest Rates	7.75%
Principal Amount	$ 10,000		0
Carrying Value	9,795		0
Vista Loan [Member]
Principal Amount	6,021		6,090
Carrying Value	$ 5,917		5,980
Equipment Loan [Member]
Contractual Interest Rates	3.79%
Principal Amount	$ 2		9
Carrying Value	$ 2		9
Finance Lease [Member]
Contractual Interest Rates	6.82%
Principal Amount	$ 96		125
Carrying Value	96		125
Loans Payable and Finance Leases [Member]
Principal Amount	100,915		21,224
Carrying Value	100,332		20,544
Total Bonds and Loans Payable [Member]
Principal Amount	417,255		187,564
Carrying Value	$ 410,099		$ 183,359