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Note 11 - Other Income (Expense), Net	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Other Nonoperating Income and Expense [Text Block]	1 1 . Other Income (Expense), Net In 2018, we recorded $1.9 million in income to other income (expense), net resulting from the disgorgement of short-swing profits arising from the sales of our common stock by a beneficial owner pursuant to Section 16 (b) of the Securities and Exchange Act of 1934.

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The entire disclosure for the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.

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