STOCK BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2018

STOCK BASED COMPENSATION

Summary of information about stock options under the Plan

				Weighted
		Weighted		Average
		Average		Remaining
	Number of	Exercise		Contractual	Intrinsic
	Shares	Price		Life (Years)	Value
	(in thousands, except per share and year data)
Balance at December 31, 2015	6,954	$	2.49	4.1	$	98
Granted	645		3.99	—		—
Exercised	(1,457)		2.48	—		1,601
Forfeited	(1,422)		3.45	—		—
Expired	—		—	—		—
Balance at December 31, 2016	4,720	$	2.41	3.4	$	4,388
Granted	338		2.99	—		—
Exercised	(94)		1.30	—		87
Forfeited	(37)		4.28	—		—
Expired	(21)		5.00	—		—
Balance at December 31, 2017	4,906	$	2.45	2.6	$	2,564
Granted	375		1.90	—		—
Exercised	(171)		1.02	—		195
Forfeited	(405)		3.99	—		—
Expired	(462)		2.27	—		—
Balance at December 31, 2018	4,243	$	2.33	2.0	$	1,475
Exercisable at December 31, 2018	3,552	$	2.28	1.6	$	1,475

Schedule of weighted-average assumptions used for estimation of the fair value of the options granted under the Plan at the date of grant, using the Black-Scholes Option Valuation Model

		2018		2017		2016
Risk-free interest rate		2.67% to 2.89%		1.46% to 1.60%		1.13% to 1.21%
Dividend yield		0.36% to 0.53%		0.31% to 0.36%		0.24% to 0.27%
Volatility factor of the expected market price of common stock		63% to 64%		72% to 74%		74%
Weighted-average expected life of option		3.5 years		3.5 years		5.0 years
Weighted-average grant date fair value	$	1.90	$	2.99	$	2.36

Summary of status and activity of non-vested stock options

		Weighted
		Average
	Number of	Grant Date
	Shares	Fair Value
	(in thousands, except per share amounts)
Non-vested, beginning of year	1,479	$	1.24
Granted	375	$	0.88
Cancelled/Forfeited	(248)	$	2.25
Vested	(915)	$	0.80
Non-vested, end of year	691	$	1.28