Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

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Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Income Taxes    
Computed "expected" tax-benefit - Federal $ (3,230) $ (2,818)
Computed "expected" tax-benefit - State (729) (636)
Non-deductible stock-based compensation 864 288
Fair Market Value Adjustment - Warrants 0 (1,051)
Change in valuation allowance 3,095 4,217
Income tax expense $ 0 $ 0