|
8. FAIR VALUE MEASUREMENTS (Details-Fair value measurements) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Assets: | ||
| Assets | $ 1,130 | $ 961 |
| Liabilities: | ||
| Liabilities | 5,452 | 9,074 |
|
Commodity contracts [Member]
|
||
| Assets: | ||
| Assets | 1,130 | 961 |
| Liabilities: | ||
| Liabilities | 659 | 859 |
|
Warrants [Member]
|
||
| Liabilities: | ||
| Liabilities | 4,793 | 8,215 |
|
Level 1 [Member]
|
||
| Assets: | ||
| Assets | 1,130 | 961 |
| Liabilities: | ||
| Liabilities | 659 | 859 |
|
Level 1 [Member] | Commodity contracts [Member]
|
||
| Assets: | ||
| Assets | 1,130 | 961 |
| Liabilities: | ||
| Liabilities | 659 | 859 |
|
Level 1 [Member] | Warrants [Member]
|
||
| Liabilities: | ||
| Liabilities | 0 | 0 |
|
Level 2 [Member]
|
||
| Assets: | ||
| Assets | 0 | 0 |
| Liabilities: | ||
| Liabilities | 0 | 0 |
|
Level 2 [Member] | Commodity contracts [Member]
|
||
| Assets: | ||
| Assets | 0 | 0 |
| Liabilities: | ||
| Liabilities | 0 | 0 |
|
Level 2 [Member] | Warrants [Member]
|
||
| Liabilities: | ||
| Liabilities | 0 | 0 |
|
Level 3 [Member]
|
||
| Assets: | ||
| Assets | 0 | 0 |
| Liabilities: | ||
| Liabilities | 4,793 | 8,215 |
|
Level 3 [Member] | Commodity contracts [Member]
|
||
| Assets: | ||
| Assets | 0 | 0 |
| Liabilities: | ||
| Liabilities | 0 | 0 |
|
Level 3 [Member] | Warrants [Member]
|
||
| Liabilities: | ||
| Liabilities | $ 4,793 | $ 8,215 |