EQUITY, SHARE-BASED COMPENSATION, WARRANTS AND SECURITIES OFFERINGS, Warrants Outstanding (Details) - $ / shares		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Mar. 08, 2019
Summary of information related to outstanding and exercisable warrants [Abstract]
Shares under warrants, outstanding (in shares)					1,003,344
Warrants [Member]
Summary of information related to outstanding and exercisable warrants [Abstract]
Shares under warrants, outstanding (in shares)		7,352,280
Weighted average exercise price (in dollars per share)		$ 1.32	$ 2.25	$ 2.30
Weighted average remaining contractual life		1 year 10 months 24 days	2 years 3 months 18 days	3 years 4 months 24 days
Exercised cashless (in shares)	[1]	0	300,000
Warrants [Member] | $0.96 [Member]
Summary of information related to outstanding and exercisable warrants [Abstract]
Exercise price range, upper range limit (in dollars per share)		$ 0.96
Shares under warrants, outstanding (in shares)		6,680,585
Weighted average exercise price (in dollars per share)		$ 0.96
Weighted average remaining contractual life		2 years 1 month 6 days
Exercised cashless (in shares)		3,774,344
Warrants [Member] | $2.00 [Member]
Summary of information related to outstanding and exercisable warrants [Abstract]
Exercise price range, upper range limit (in dollars per share)		$ 2.00
Shares under warrants, outstanding (in shares)		50,000
Weighted average exercise price (in dollars per share)		$ 2.00
Weighted average remaining contractual life		3 years 1 month 6 days
Warrants [Member] | $5.25 to $5.87 [Member]
Summary of information related to outstanding and exercisable warrants [Abstract]
Shares under warrants, outstanding (in shares)		621,695
Weighted average exercise price (in dollars per share)		$ 5.26
Weighted average remaining contractual life		2 months 12 days
Warrants [Member] | $5.25 to $5.87 [Member] | Minimum [Member]
Summary of information related to outstanding and exercisable warrants [Abstract]
Exercise price range, lower range limit (in dollars per share)		$ 5.25
Warrants [Member] | $5.25 to $5.87 [Member] | Maximum [Member]
Summary of information related to outstanding and exercisable warrants [Abstract]
Exercise price range, upper range limit (in dollars per share)		$ 5.87
Warrants [Member] | $5.25 [Member]
Summary of information related to outstanding and exercisable warrants [Abstract]
Exercised cashless (in shares)		290,000

[1] We issued 139,392 shares of common stock upon cashless exercise of these warrants, based on the fair value at the date of exercise of $2.63 per share.