Annual report pursuant to Section 13 and 15(d)

Note 1 - The Company and Summary of Significant Accounting Policies (Details Narrative)

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Note 1 - The Company and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Company And Summary Of Significant Accounting Policies Details Narrative Abstract      
Accumulated deficit $ (528,685) $ (269,499)  
Cash and cash equivalent 60 576 $ 19
Research and development costs $ 9,067 $ 1,068