Note 6 - Purchase of Noncontrolling Interest - Purchase Price and Accounting of Transaction (Details) - BHCMC [Member] - BNSC [Member] $ in Thousands	Oct. 18, 2021 USD ($)
Secured notes payable, net of financing costs	$ 7,914
Forgiven note receivable from seller	780
Cash paid	7,659
Business Combination, Consideration Transferred, Total	16,353
Capital contributed in excess of par	6,119
Book basis of the noncontrolling interest in BHCMC, LLC	7,890
Deferred tax asset related to step up in basis	2,344
Total	$ 16,353