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Note 2 - Securities (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Available-for-sale Securities [Table Text Block]

		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
June 30, 2020
U.S. Government agency debt obligations		$	161,575,000			$	957,000			$	(35,000	)		$	162,497,000
Mortgage-backed securities			34,765,000				1,269,000				(1,000	)			36,033,000
Municipal general obligation bonds			97,171,000				5,296,000				0				102,467,000
Municipal revenue bonds			5,947,000				217,000				0				6,164,000
Other investments			500,000				0				0				500,000

		$	299,958,000			$	7,739,000			$	(36,000	)		$	307,661,000

December 31, 2019
U.S. Government agency debt obligations		$	185,103,000			$	2,449,000			$	(1,142,000	)		$	186,410,000
Mortgage-backed securities			41,998,000				554,000				(82,000	)			42,470,000
Municipal general obligation bonds			98,245,000				2,864,000				(30,000	)			101,079,000
Municipal revenue bonds			4,133,000				63,000				0				4,196,000
Other investments			500,000				0				0				500,000

		$	329,979,000			$	5,930,000			$	(1,254,000	)		$	334,655,000

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

		Less than 12 Months								12 Months or More								Total
		Fair Value				Unrealized Loss				Fair Value				Unrealized Loss				Fair Value				Unrealized Loss
June 30, 2020
U.S. Government agency debt obligations		$	16,370,000			$	35,000			$	0			$	0			$	16,370,000			$	35,000
Mortgage-backed securities			0				0				26,000				1,000				26,000				1,000
Municipal general obligation bonds			0				0				0				0				0				0
Municipal revenue bonds			0				0				0				0				0				0

		$	16,370,000			$	35,000			$	26,000			$	1,000			$	16,396,000			$	36,000

		Less than 12 Months								12 Months or More								Total
		Fair Value				Unrealized Loss				Fair Value				Unrealized Loss				Fair Value				Unrealized Loss
December 31, 2019
U.S. Government agency debt obligations		$	25,650,000			$	349,000			$	73,913,000			$	793,000			$	99,563,000			$	1,142,000
Mortgage-backed securities			2,838,000				28,000				10,423,000				54,000				13,261,000				82,000
Municipal general obligation bonds			3,755,000				18,000				994,000				12,000				4,749,000				30,000
Municipal revenue bonds			0				0				0				0				0				0

		$	32,243,000			$	395,000			$	85,330,000			$	859,000			$	117,573,000			$	1,254,000

Investments Classified by Contractual Maturity Date [Table Text Block]

		Weighted Average Yield			Amortized Cost				Fair Value

Due in 2020		4.11%			$	410,000			$	412,000
Due in 2021 through 2025		1.97				60,097,000				61,369,000
Due in 2026 through 2030		2.13				133,632,000				137,347,000
Due in 2031 and beyond		2.64				70,554,000				72,000,000
Mortgage-backed securities		2.57				34,765,000				36,033,000
Other investments		4.50				500,000				500,000

Total available for sale securities		2.27%			$	299,958,000			$	307,661,000