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COMMON STOCK (Details) $ in Thousands					3 Months Ended
	Apr. 22, 2019 shares	Apr. 23, 2018 shares	May 09, 2017 USD ($)	Apr. 14, 2017 USD ($)	Mar. 31, 2019 USD ($) shares	Mar. 31, 2018 USD ($) shares	Dec. 31, 2018 shares
Reverse stock split of its common stock	0.02
Common stock outstanding before the effect of reverse stock spilt conversion	74,700,000				74,700,000
Common stock outstanding after the effect of reverse stock spilt conversion	1,500,000				1,494,153		1,436,394
Reverse stock split of its fractional shares	0
Proceeds from common stock | $					$ 415	$ 651
ATM Offering [Member]
Net proceeds from direct offering | $			$ 8,000	$ 30,000
Proceeds from common stock | $					$ 6,100
Sales commission percentage				2.50%
Number of common stock sold					488,685
Common Stock [Member]
Reverse stock split of its common stock	0.02
Number of common stock issued					57,205	20,802
Common Stock [Member] | ATM Offering [Member]
Proceeds from common stock | $					$ 400
Number of common stock sold					57,205
Available for future sales | $					$ 23,800
Common stock registered for sale, value | $					$ 0
Alabama Graphite [Member]
Number of common stock issued		232,504
Ownership percentage		100.00%

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