Going Concern and Management's Plans (Details Narrative) - USD ($) $ in Thousands	May 14, 2020	Mar. 31, 2020	Dec. 31, 2019
Accumulated deficit		$ (415,826)	$ (414,502)
Cash and cash equivalents		$ 18	$ 216
Subsequent Event [Member]
Cash and cash equivalents	$ 65

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant