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INCOME TAXES (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Deferred Tax Assets And Liabilities [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 142,947	$ 99,713
Operating Loss Carryforwards	550,619
Research and Development Carryforward	$ 15,217
Us Federal Income Tax [Member]
Deferred Tax Assets And Liabilities [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	34.00%	34.00%

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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