Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Share-based Payment Arrangement [Abstract]

Schedule of stock-based compensation expense

	For the years ended December 31,
(dollars in thousands)	2022		2021		2020
Stock option expense	$	927		1,148		1,017
Restricted stock grant expense		1,099		499		380
Total stock-based compensation expense	$	2,026		1,647		1,397

Schedule of the status of the stock option plan and changes

	For the years ended December 31,
	2022							2021							2020
						Weighted							Weighted							Weighted
				Weighted		Average					Weighted		Average					Weighted		Average
				average		Remaining					average		Remaining					average		Remaining
				exercise		Contractual					exercise		Contractual					exercise		Contractual
	Shares			price		Life		Shares			price		Life		Shares			price		Life
Outstanding at beginning of year		464,724		$	33.97				495,195		$	29.93				541,414		$	26.65
Granted		-			-				121,000			40.45				101,700			37.77
Exercised		(32,375	)		27.94				(127,871	)		23.56				(93,870	)		14.79
Forfeited or expired		(5,125	)		43.14				(23,600	)		38.88				(54,049	)		38.15
Outstanding at end of year		427,224		$	34.32		5.7 years		464,724		$	33.97		6.6 years		495,195		$	29.93		6.4 years
Options exercisable at year-end		287,902		$	32.35		4.8 years		239,340		$	29.68		5.0 years		287,548		$	24.93		5.0 years
Weighted average fair value of options granted during the year				$	-						$	16.40						$	11.37
Shares available for grant		370,824							422,550							136,339

Schedule of assumptions used

	2022		2021			2020
Dividend yield		n/a		-			-
Expected life		n/a		7 years			7 years
Expected volatility		n/a		38.48	%		25.51	%
Risk-free interest rate		n/a		0.74	%		1.29	%

Schedule of the status of the company's non vested restricted stock and changes

	December 31,
	2022					2021					2020
	Restricted Shares			Weighted Average Grant-Date Fair Value		Restricted Shares			Weighted Average Grant-Date Fair Value		Restricted Shares			Weighted Average Grant-Date Fair Value
Nonvested at beginning of year		41,699		$	44.71		26,099		$	38.05		32,825		$	34.78
Granted		53,376			56.25		26,450			48.56		13,200			39.87
Vested		(14,213	)		43.26		(9,600	)		38.03		(14,051	)		32.06
Forfeited		(525	)		61.14		(1,250	)		38.56		(5,875	)		37.74
Nonvested at end of year		80,337		$	52.53		41,699		$	44.71		26,099		$	38.05