SHARE-BASED COMPENSATION AND OTHER COMPENSATION AGREEMENTS (Stock Option Plan Activity) (Details) - Stock Option [Member] - $ / shares shares in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Number of Shares Outstanding [Roll Forward]
Beginning Balance, Outstanding Shares	413	382
Issued, Shares	62	31
Expired, Shares	(322)
Ending Balance, Outstanding Shares	153	413	382
Exercisable, Shares	70
Weighted Average Exercise Price [Roll Forward]
Outstanding, Weighted Average Exercise Price ($ per Share)	$ 4.53	$ 4.70
Issued, Weighted Average Exercise Price ($ per Share)	1.27	2.46
Expired, Weighted Average Exercise Price ($ per share)	4.57
Outstanding, Weighted Average Exercise Price ($ per Share)	3.13	$ 4.53	$ 4.70
Exercisable, Weighted Average Exercise Price ($ per Share)	$ 4.97
Weighted Average Remaining Contractual Term
Outstanding, Weighted Average Remaining Contractual Term	2 years 6 months 10 days	8 months 12 days	1 year 4 months 28 days
Issued, Weighted Average Remaining Contractual Term	4 years 5 months 15 days	4 years 2 months 26 days
Exercisable, Weighted Average Remaining Contractual Term	6 months 18 days
Weighted Average Grant Date Fair Value [Roll Forward]
Outstanding, Weighted Average Grant Date Fair Value ($ per Share)	$ 2.49	$ 2.57
Issued, Weighted Average Grant Date Fair Value ($ per Share)	0.80	1.61
Expired, Weighted Average Grant Date Fair Value ($ per Share)	2.51
Outstanding, Weighted Average Grant Date Fair Value ($ per Share)	1.77	$ 2.49	$ 2.57
Exercisable, Weighted Average Grant Date Fair Value ($ per Share)	$ 2.66