v3.19.3

Note 10 - Income Taxes - Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Note 10 - Income Taxes - Components of Deferred Tax Assets (Details) |  |
Net operating loss carry forward | $ 7,051 | $ 6,158
Research and development credits | 1,601 | 1,284
Accruals and reserves | 142 | 99
Fixed assets | 1 |
Total deferred tax asset | 8,795 | 7,541
Valuation allowance | $ (8,795) | $ (7,541)

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