STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2020

STOCK-BASED COMPENSATION

Schedule of summary of restricted stock

	March 31, 2020
Restricted Stock		Non-performance Based		Performance-based
Number of shares underlying restricted stock		191,896		18,000
Weighted-average grant date fair value per share	$	28.33	$	34.46
Aggregate fair value (in thousands)	$	3,410	$	320
Weighted-average remaining vesting period (years)		2.6		2.6

Schedule of shares of stock options exercised and restricted stock vested, shares withheld for taxes and shares issued

	Exercised/Vested	Shares Withheld	Shares Issued
Three Months Ended March 31, 2020
Stock options	1,524	—	1,524
Non-performance based restricted stock	6,450	(1,218)	5,232
Performance-based restricted stock	—	—	—
Three Months Ended March 31, 2019
Stock options	10,844	—	10,844
Non-performance based restricted stock	300	(89)	211
Performance-based restricted stock	—	—	—

Stock options

STOCK-BASED COMPENSATION

Schedule of summary of activity under the stock option plans

	Three Months Ended March 31,
	2020			2019
	Number of	Weighted		Number of	Weighted
	Shares	Average		Shares	Average
	Underlying	Exercise		Underlying	Exercise
	Options	Price		Options	Price
Outstanding at beginning of period	213,078	$	16.92	232,322	$	16.66
Granted	—		—	—		—
Exercised	(1,524)		10.34	(10,844)		10.68
Forfeited/expired	—		—	—		—
Outstanding at end of period	211,554		16.97	221,478		16.96

Schedule of exercisable, unvested and outstanding of stock options and restricted stock

	March 31, 2020
Stock Options		Exercisable		Unvested		Outstanding
Number of shares underlying options		161,355		50,199		211,554
Weighted-average exercise price per share	$	15.78	$	20.81	$	16.97
Aggregate intrinsic value (in thousands)	$	425	$	2	$	427
Weighted-average remaining contractual term (years)		4.7		7.2		5.3

Restricted Stock

STOCK-BASED COMPENSATION

Schedule of summary of activity under the stock option plans

	Non-performance Based			Performance-based
		Weighted			Weighted
		Average			Average
	Number of	Grant Date		Number of	Grant Date
	Shares	Fair Value		Shares	Fair Value
Outstanding at December 31, 2018	181,773	$	27.05	24,000	$	34.46
Granted	19,187		32.25	—		—
Vested	(300)		29.27	—		—
Forfeited	—		—	—		—
Outstanding at March 31, 2019	200,660	$	27.54	24,000	$	34.46
Outstanding at December 31, 2019	161,443	$	28.20	18,000	$	34.46
Granted	37,107		29.55	—		—
Vested	(6,450)		32.11	—		—
Forfeited	(204)		30.64	—		—
Outstanding at March 31, 2020	191,896	$	28.33	18,000	$	34.46