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Note 2 - Investments | 3 Months Ended
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Mar. 31, 2019
Notes to Financial Statements |
Investment [Text Block] | Note 2. Investments At March 31, 2019 and December 31, 2018, the fair value of our non-current investments was $6.8 million and $6.6 million, respectively. Our non-current investments consist of marketable equity securities which are carried at fair value. The cost basis of our non-current investments was approximately $7.8 million and $7.7 million at March 31, 2019 and December 31, 2018, respectively. During the quarter ended March 31, 2019, we recognized $0.1 million in net unrealized gains in current earnings. During the quarter ended March 31, 2018, we recognized $0.3 million in net unrealized gains in current earnings.

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- Definition The entire disclosure for investments, including all tables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
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