Annual report pursuant to Section 13 and 15(d)

Note 8 - Income Taxes (Details)

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Note 8 - Income Taxes (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Deferred tax assets:    
Federal net operating loss carryforward $ 36,803 $ 25,306
Intellectual Property 58,504 61,787
Accrued Interest 1,262 129
Patent amortization 4 5
Deferred tax assets before valuation 96,573 87,227
Valuation allowance (96,573) (87,227)
Net deferred income tax assets $ 0 $ 0