SHARE-BASED COMPENSATION AND OTHER COMPENSATION AGREEMENTS (Tables)

3 Months Ended

Mar. 31, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

Following is a summary of stock option activity and number of shares reserved for outstanding options:

Options	Number of shares (in thousands)		Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2017	382		$	4.70	1.41 years	$	2.57
Issued	31		2.46		4.24 years	1.61
Outstanding at December 31, 2018	413		$	4.53	0.70 years	$	2.49
Issued	62			1.27	4.96 years		0.80
Expired	(30	)		3.47	— years		1.98
Outstanding at March 31, 2019	445		$	4.15	1.12 years	$	2.29
Exercisable at March 31, 2019	362		$	4.74	0.30 years	$	2.59
Securities available for grant at March 31, 2019*	1,474

*Securities available for grant include securities available for stock option grants and RSUs.

Schedule of Weighted Average Assumptions

The weighted average assumptions relating to the valuation of the Company's stock options awarded in 2019 and 2018 are shown below.

		2019			2018
Weighted average grant-date fair value per option	$	0.80		$	1.61
Volatility		77.00	%		80.40	%
Risk-free interest rate		2.40	%		2.59	%
Expected life (in years)		5.00			5.00
Expected dividend yield		—	%		—	%

Summary of restricted stock units

Following is a summary of RSU activity:

Restricted Stock Units	Number of shares (in thousands)		Weighted Average Remaining Contractual Term	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2017	23		0.35 years	$	2.37
Granted	112		1.43 years		2.19
Vested	(23	)	— years		2.37
Outstanding at December 31, 2018	112		1.43 years	$	2.19
Granted	109		2.96 years		1.27
Outstanding at March 31, 2019	220		2.06 years	$	1.74