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Note 9 - Net Investment and Other Income (Expense) and Interest Expense (Details) - Investments and Other Income (Expense) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Investments and Other Income (Expense) [Abstract] | |||
| Investment income, net | $ 73 | $ 95 | $ 128 |
| Loss on extinguishment of debt | (279) | ||
| Net foreign exchange gain (loss) | (4) | (3) | 1 |
| Gain (loss) on sale of equipment | 1 | 45 | 24 |
| Gain (loss) on sale of investment | 6 | (1) | |
| Total investment and other income (expense), net | $ 76 | $ 137 | $ (127) |