SUBSEQUENT EVENTS (Details)									1 Months Ended	12 Months Ended
	Apr. 16, 2019 USD ($) item $ / shares shares	Jan. 29, 2019 USD ($) installment shares	Jan. 15, 2019 USD ($)	Jan. 02, 2019 USD ($)	Dec. 20, 2018	Mar. 12, 2018 USD ($)	Feb. 12, 2018 shares	Feb. 09, 2018 shares	Aug. 31, 2017 shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($)
Subsequent Event [Line Items]
Outstanding debt										$ 516,000
(Gain) loss on extinguishment of debt										376,000	$ (1,391,000)
Liability for settlement of equity instrument										1,450,000	1,085,000
Proceeds from issuance of common stock										$ 2,008,000
New shares issued (in shares) | shares							1,814,754		22,518
Stock split and reverse stock split										0.033
Proceeds from convertible notes										$ 3,850,000	$ 1,365,000
Shares callable by warrant (in shares) | shares	1,966,275
Maximum
Subsequent Event [Line Items]
Stock split and reverse stock split					0.5
Minimum
Subsequent Event [Line Items]
Stock split and reverse stock split					0.033
Leviston Resources LLC
Subsequent Event [Line Items]
New shares issued (in shares) | shares								721,153
Crede | Maximum
Subsequent Event [Line Items]
New shares issued (in shares) | shares										10,000
Percentage of daily average composite trading volume										10.00%
Crede | Settled Litigation
Subsequent Event [Line Items]
Litigation Settlement, Amount Awarded to Other Party						$ 1,925,000
Subsequent Events | Leviston Resources LLC
Subsequent Event [Line Items]
Beneficial Ownership Cap		4.99%
New shares issued (in shares) | shares		10,000
Percentage of daily average composite trading volume		10.00%
Subsequent Events | Settled Litigation | Minimum
Subsequent Event [Line Items]
Proceeds from issuance of common stock		$ 4,000,000
Subsequent Events | Settled Litigation | Leviston Resources LLC
Subsequent Event [Line Items]
Issuance of convertible notes		$ 700,000
Number of equal monthly installments | installment		14
Subsequent Events | Crede
Subsequent Event [Line Items]
Issuance of convertible notes			$ 1,450,000
Conversion price based on closing bid price of common stock on the date prior to each conversion date (as a percent)			90.00%
Proceeds from issuance of common stock			$ 4,000,000
Beneficial Ownership Cap			4.99%
Subsequent Events | Crede | Minimum
Subsequent Event [Line Items]
Proceeds from convertible notes			$ 4,000,000
Subsequent Events | Crede | Settled Litigation
Subsequent Event [Line Items]
Issuance of convertible notes			$ 1,450,000
Subsequent Events | Crede | Settled Litigation | Leviston Resources LLC
Subsequent Event [Line Items]
Issuance of convertible notes		$ 700,000
Subsequent Events | Settlement Agreements
Subsequent Event [Line Items]
Repayments of debt to service provider				$ 550,000
Outstanding debt				1,470,000
(Gain) loss on extinguishment of debt				$ 900,000
Subsequent Events | Amendment No. 2 Agreement
Subsequent Event [Line Items]
Exercise price (in dollars per share) | $ / shares	$ 0.36
April 2019 Additional Notes and Warrants [Member] | Subsequent Events | Amendment No. 2 Agreement
Subsequent Event [Line Items]
Proceeds from convertible notes	$ 989,011
Floor price | $ / shares	$ 0.15
Convertible debt, threshold consecutive trading days | item	10
Conversion threshold percentage of stock price trigger	80.00%
April 2019 Additional Notes and Warrants [Member] | Subsequent Events | Amendment No. 2 Agreement | Maximum
Subsequent Event [Line Items]
Conversion price (in dollars per share) | $ / shares	$ 0.25
April 2019 Additional Notes and Warrants [Member] | Subsequent Events | Amendment No. 2 Agreement | Minimum
Subsequent Event [Line Items]
Conversion price (in dollars per share) | $ / shares	$ 0.05
Additional Notes | Subsequent Events | Amendment No. 2 Agreement
Subsequent Event [Line Items]
Proceeds from convertible notes	$ 800,000
Aggregate principal	$ 879,120