2. Going Concern (Details Narrative) - USD ($) $ in Thousands	4 Months Ended	12 Months Ended
Apr. 15, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net loss from continuing operations		$ (6,137)	$ (26,514)	$ (102,029)
Working capital		(92,648)
Accumulated deficit		(570,126)	(557,844)
Convertible Bonds [Member]
Convertible debt, current		$ 41,600	$ 41,600
Subsequent Event [Member] \| Private Placement [Member]
Stock issued new, shares	6,600,000
Proceeds from sale of stock	$ 7,600

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Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as Convertible Notes Payable. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

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Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.

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The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Number of new stock issued during the period.

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