Note 8 - Royalties Payable - Sales-based Royalties (Details) - AMIGO System Royalty [Member] $ in Thousands |
24 Months Ended |
|---|---|
|
Dec. 31, 2007
USD ($)
| |
| Royalty Payment 1 [Member] | |
| Royalty percentage | 4.00% |
| Maximum royalty payment | $ 1,589 |
| Royalty Payment 2 [Member] | |
| Royalty percentage | 2.00% |
| Maximum royalty payment | $ 3,179 |
| Royalty Payment 3 [Member] | |
| Royalty percentage | 1.00% |