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Interest and Other Income, Net (Tables) | 12 Months Ended
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Dec. 31, 2019
Other Income And Expenses [Abstract] |
Detail of Interest and Other Income, Net | The following table shows the detail of interest and other income, net for the years ended December 31, 2019 and 2018 (in thousands):
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Interest income |  | $ | 2,145 |  |  | $ | 2,229 |
Dividend income |  |  | — |  |  |  | 4 |
Miscellaneous (expense) income(1) |  |  | (39 | ) |  |  | 1,650 |
Loss on disposal of property and equipment |  |  | — |  |  |  | (116 | )
Other |  |  | (7 | ) |  |  | — |
Total interest and other income, net |  | $ | 2,099 |  |  | $ | 3,767 |
(1) | $1.7 million miscellaneous income for the year ended December 31, 2018 is mainly composed of a $1.5 million milestone payment received under an agreement associated with neuronal nicotinic receptor (“NNR”) assets sold in 2016.

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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