|
Note 3 - Fair Value Measurements (Details) - Change in Fair Value of the Warrant Liability (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
|
| Change in Fair Value of the Warrant Liability [Abstract] | ||
| Balance | $ 924 | $ 3,251 |
| Change in fair value of warrant liability included in | ||
| Other expense (income) | (796) | (2,327) |
| Balance | $ 128 | $ 924 |