STOCK OWNERSHIP AND BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Schedule of total stock-based compensation expense

The following table sets forth the total stock-based compensation expense included in the Consolidated Statements of Operations for the years ended December 31:

	2019		2018		2017
Cost of products sold	$	620	$	342	$	282
General and administrative expenses	4,052		2,862		2,337
Selling and distribution expenses	532		376		356
Stock-based compensation expense, net of income taxes	5,204		3,580		2,975
Earnings per share impact
Basic	$	0.36	$	0.25	$	0.21
Diluted	$	0.36	$	0.24	$	0.21

Summary of the activity of nonvested shares of restricted stock

A summary of the activity of our nonvested shares of RSAs issued under the 2016 Plan is as follows:

	Shares		Weighted Average Grant Date Fair Value
Balance at December 31, 2017	256,068		$	15.31
Granted	102,817		25.11
Vested	(63,288	)	14.89
Forfeited	(5,666	)	19.26
Balance at December 31, 2018	289,931		$	18.81
Granted	75,531		48.74
Vested	(71,317	)	24.67
Forfeited	(2,665	)	18.65
Balance at December 31, 2019	291,480		$	25.12

A summary of the activity of our nonvested shares of RSAs issued under the 2006 Plan is as follows:

	Shares		Weighted Average Grant Date Fair Value
Balance at December 31, 2017	153,030		$	15.14
Vested	(71,223	)	10.03
Forfeited	(18,772	)	8.40
Balance at December 31, 2018	63,035		$	22.91
Vested	(62,537	)	8.65
Forfeited	(498	)	6.22
Balance at December 31, 2019	—		$	—

Summary of the activity of nonvested restricted stock units

A summary of the activity of our nonvested RSUs issued under the 2016 Plan is as follows:

	Shares		Weighted Average Grant Date Fair Value
Balance at December 31, 2017	72,500		$	15.62
Granted	36,000		21.88
Vested	(13,175	)	15.61
Balance at December 31, 2018	95,325		$	17.99
Granted	25,576		45.97
Vested	(28,843	)	18.16
Forfeited	(4,999	)	19.67
Balance at December 31, 2019	87,059		$	26.05

A summary of the activity of our nonvested RSUs issued under the 2006 Plan is as follows:

	Share Units		Weighted Average Grant Date Fair Value
Balance at December 31, 2017	58,398		$	13.42
Vested	(32,069	)	10.74
Balance at December 31, 2018	26,329		$	16.69
Vested	(26,329	)	6.96
Balance at December 31, 2019	—		$	—

Schedule of the activity of nonvested performance stock units

A summary of the activity of our nonvested PSUs issued under the 2016 Plan is as follows:

	Shares	Weighted Average Grant Date Fair Value
Balance at December 31, 2017	23,000	$	18.18
Granted	23,000	26.47
Balance at December 31, 2018	46,000	$	22.32
Granted	17,640	60.75
Balance at December 31, 2019	63,640	$	32.97

Schedule of total unrecognized stock-based compensation related to unvested awards

As of December 31, 2019, total unrecognized stock-based compensation related to unvested awards was as follows:

	Unrecognized stock compensation		Weighted-average recognition period
Unvested RSAs	$	4,241	1.8 years
Unvested RSUs	$	1,282	1.6 years
Unvested PSUs	$	1,192	1.1 years