|
Note 5 - Inventory (Details) (USD $)
|
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2010
|
|
| Inventory Disclosure [Abstract] | ||
| Inventory Write-down | $ 206,000 | $ 948,000 |
| Write-off of Accumulated Inventory Overhead Costs | 65,000 | |
| Non-cash Inventory Write-off | $ 112,000 | |