Note 8 - Leases (Details Textual) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2022	Dec. 31, 2021
Operating Lease, Expense	$ 306,000	$ 629,000
Operating Lease, Weighted Average Remaining Lease Term (Year)			2 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent			8.30%
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization, Total			$ 2,650,000
Lessee, Finance Lease, Monthly Payments			54,000
Property, Plant and Equipment, Net, Total			29,440,642	$ 24,338,907
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance			5,672,432	3,646,307
Finance Lease, Liability, Total			$ 1,435,437	$ 1,065,000
Finance Lease, Weighted Average Remaining Lease Term (Year)			3 years 4 months 20 days
Finance Lease, Weighted Average Discount Rate, Percent			5.43%
Underlying Assets To Secure Finance Lease [Member]
Property, Plant and Equipment, Net, Total			$ 2,713,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance			975,000
Minimum [Member]
Lessee, Finance Lease, Monthly Payments			$ 400
Lessee, Finance Lease, Term of Contract (Year)			48 years
Lessee, Finance Lease, Discount Rate			3.87%
Maximum [Member]
Lessee, Finance Lease, Monthly Payments			$ 14,000
Lessee, Finance Lease, Term of Contract (Year)			60 months
Lessee, Finance Lease, Discount Rate			9.52%