Note 10 - Business Combination (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

(In Thousands, Except Per Share Data)
Purchase Price Consideration in Common Stock
Middlefield Banc Corp. shares issued		2,561,513
Value assigned to Middlefield Banc Corp. common shares	$	28.60
Purchase price assigned to Liberty common shares exchanged for					73,259
Purchase Price Consideration in Cash
Cash paid in lieu of fractional shares					6
Total Purchase Price					73,265
Net Assets Acquired:
Liberty shareholders equity	$	49,041
Adjustments to reflect assets acquired at fair value:
Loans
Allowance for credit loss		4,497
Loans - interest rate		646
Loans - general credit		(3,433	)
Core deposit intangible		6,669
Investments		(1,461	)
Mortgage servicing rights		830
Other		94
Adjustments to reflect liabilities acquired at fair value:
Time deposits		(228	)
Deferred taxes		(54	)
Total net assets acquired					56,601
Goodwill resulting from merger				$	16,664

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

(In Thousands)
Total purchase price				$	73,265
Assets (liabilities) acquired:
Net assets acquired:
Cash	$	18,406
Loans and loans held for sale		312,618
Investments		57,907
Premises and equipment, net		6,087
Accrued interest receivable		1,563
Bank-owned life insurance		16,290
Core deposit intangible		6,670
Mortgage servicing rights		1,680
Other assets		3,111
Time deposits		(69,278	)
Non-time deposits		(294,684	)
Accrued interest payable		(246	)
Other liabilities		(3,523	)
Total net assets acquired					56,601
Goodwill resulting from the Liberty merger				$	16,664

Business Acquisition, Pro Forma Information [Table Text Block]

	For the three months ended
	March 31, 2022
	(in thousands, except per share data)
Net interest income	$	14,979
Noninterest income		2,156
Net income	$	4,777
Pro forma earnings per share:
Basic	$	0.57
Diluted	$	0.57

Liberty Bancshares Inc [Member]

Notes Tables

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

(Dollar amounts in thousands)
Remaining 2023	$	572
2024		750
2025		733
2026		714
2027		691
Thereafter		2,954
Total	$	6,414