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Note 3 - Available-for-sale Investments | 12 Months Ended
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Jun. 30, 2016
Notes to Financial Statements |
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] | Note 3. Available-For-Sale Investments: At June 30, 2016 and 2015, the cost and market value of the Company’s available-for-sale securities by major security type were as follows (in thousands):
|  | June 30, |
|  | 201 6 |  |  | 201 5 |
|  | Cost |  |  | Market |  |  | Cost |  |  | Market |
Certificates of deposit |  | $ | 3,016 |  |  | $ | 3,017 |  |  | $ | 4,089 |  |  | $ | 4,089 |
Equity securities |  |  | 29,472 |  |  |  | 28,581 |  |  |  | 29,472 |  |  |  | 52,300 |
|  | $ | 32,488 |  |  | $ | 31,598 |  |  | $ | 33,561 |  |  | $ | 56,389 |
At June 30, 2016 and 2015, all of the Company’s equity securities which relates to our investment in CCXI stock and warrants, were valued using Level 1 inputs. Certificates of deposit are carried at cost and are not subject to the fair value hierarchy. There were no transfers between Level 1 and Level 2 securities during fiscal 2016. Gross unrealized gains (losses) on available-for-sale investments were $(0.9) million and $22.8 million at June 30, 2016, and June 30, 2015, respectively. The unrealized loss on available-for-sale investments for the twelve months ended June 30, 2016 includes $0.9 million of unrealized gross losses related to our investment in CCXI. As of June 30, 2016, the stock price of CCXI was $4.49 per share compared to our cost basis of $4.73 per share. Based upon our analysis, we believe there is insufficient information to conclude that the impairment of our investment in CCXI is other-than-temporary. As such, we have concluded that the impairment is temporary and have classified the impairment within other comprehensive income.

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