Note 12 - Leases (Details Textual)	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 01, 2025 CAD ($) ft²	Aug. 22, 2025 USD ($) ft²
Right-of-use Asset, Net	$ 5,000,000
Lease Liabilities, Net	5,100,000
Lease Liabilities, Current	1,517,000	$ 1,655,000
Lease Liabilities, Noncurrent	$ 3,600,000
Carolina Stone Holdings [Member]
Business Combination, Recognized Asset Acquired, Right-of-use Assets				$ 906,000
Business Combination, Recognized Liability Assumed, Lease Obligation				$ 906,000
Fraser Canyon Holdings [Member]
Business Combination, Recognized Asset Acquired, Right-of-use Assets		2,100,000
Business Combination, Recognized Liability Assumed, Lease Obligation		$ 2,100,000
Lease at 10306 Globe Road, Morrisville, NC [Member]
Area of Real Estate Property (Square Foot) \| ft²				13,500
Lessee, Operating Lease, Annual Base Rent				$ 154,560
Lease at 901 Tulip Drive, Gastonia, NC [Member]
Area of Real Estate Property (Square Foot) \| ft²				28,000
Lessee, Operating Lease, Annual Base Rent				$ 130,200
Lessee, Operating Lease, Annual Rent Increase Percentage				3.50%
Lease at 27524–51A Avenue, Langley, BC [Member]
Area of Real Estate Property (Square Foot) \| ft²			31,418
Lessee, Operating Lease, Annual Base Rent			$ 627,024
Lease at 45 Fenmar Drive, North York, ON [Member]
Area of Real Estate Property (Square Foot) \| ft²			30,000