STOCK BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2020

STOCK BASED COMPENSATION

Summary of Stock Options Outstanding

	March 31, 2020			March 31, 2019
		Weighted			Weighted
	Number of	Average		Number of	Average
	Stock	Exercise		Stock	Exercise
	Options	Price		Options	Price
Stock options outstanding at beginning of period	37,786	$	37.42	19,170	$	79.78
Granted	—		—	—		—
Expired	(1,217)		75.95	(280)		179.68
Canceled or forfeited	—		—	—		—
Stock options outstanding at end of period	36,569	$	36.14	18,890	$	78.21
Stock options exercisable at end of period	36,569	$	36.14	18,890	$	78.21

Summary of Stock Options Outstanding and Exercisable by Stock Option Plan

The following table summarizes stock options outstanding and exercisable by stock option plan at March 31, 2020:

	Outstanding Stock Options			Exercisable Stock Options
	Number of	Weighted		Number of	Weighted
	Outstanding	Average		Stock Options	Average
Stock Option Plan	Stock Options	Exercise Price		Exercisable	Exercise Price
2004 Plan	96	$	1,752.25	96	$	1,752.25
2004 Directors’ Plan	3		10,380.00	3		10,380.00
2013 Plan	33,158		25.47	33,158		25.47
Replacement Options-Alabama Graphite	3,312		83.88	3,312		83.88
	36,569	$	36.14	36,569	$	36.14

Summary of RSU Activity

	March 31,			March 31,
	2020			2019
		Weighted-			Weighted-
		Average			Average
	Number of	Grant Date		Number of	Grant Date
	RSUs	Fair Value		RSUs	Fair Value
Unvested RSUs at beginning of period	—	$	—	2,260	$	70.00
Granted	—		—	—		—
Forfeited	—		—	(565)		70.00
Vested	—		—	—		—
Unvested RSUs at end of period	—	$	—	1,695	$	70.00