STOCK BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2020

STOCK BASED COMPENSATION

Summary of Stock Options Outstanding

	December 31, 2020			December 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	$	80.00
Granted	149,801		1.67	20,942		19.25
Expired	(2,533)		93.80	(1,777)		78.00
Canceled or forfeited	—		—	(549)		19.25
Stock options outstanding at end of period	185,054	$	7.70	37,786	$	37.42
Stock options exercisable at end of period	35,253	$	33.37	37,786	$	37.42

Summary of Stock Options Outstanding and Exercisable by Stock Option Plan

	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	92	$	1,638.00	92	$	1,638.00
2004 Directors’ Plan	3		10,380.00	3		10,380.00
2013 Plan	158,962		6.57	33,158		25.47
2020 Inducement Grant	23,997		2.08	—		—
Replacement Options-Alabama Graphite	2,000		75.08	2,000		—
	185,054	$	7.70	35,253	$	33.37

Summary of RSU Activity

	December 31,			December 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	511	$	70.00	2,260	$	70.00
Granted	236,403		2.10	—		—
Forfeited	—		—	(1,749)		70.00
Vested	(511)		70.00	—		—
Unvested RSUs at end of period	236,403	$	2.10	511	$	70.00