|
3. Fair Value of Financial Instruments (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Liabilities: | ||
| Bank acceptance payable | $ 2,377 | $ 2,347 |
|
Fair Value, Measurements, Recurring [Member]
|
||
| Assets: | ||
| Short term investments | 7,957 | 7,970 |
| Total assets | 7,957 | 7,970 |
| Liabilities: | ||
| Bank acceptance payable | 2,377 | 2,347 |
| Total liabilities | 2,377 | 2,347 |
|
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
|
||
| Assets: | ||
| Short term investments | 7,957 | 7,970 |
| Total assets | 7,957 | 7,970 |
| Liabilities: | ||
| Bank acceptance payable | 0 | 0 |
| Total liabilities | 0 | 0 |
|
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
|
||
| Assets: | ||
| Short term investments | 0 | 0 |
| Total assets | 0 | 0 |
| Liabilities: | ||
| Bank acceptance payable | 2,377 | 2,347 |
| Total liabilities | 2,377 | 2,347 |
|
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
|
||
| Assets: | ||
| Short term investments | 0 | 0 |
| Total assets | 0 | 0 |
| Liabilities: | ||
| Bank acceptance payable | 0 | 0 |
| Total liabilities | $ 0 | $ 0 |