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10. Interests in affiliates (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Balance Sheet: |  |  |
Current assets | $ 11,136 | $ 11,831 |
Total assets | 23,399 | 23,878 |
Total liabilities | 5,869 | 6,001 |
Total shareholders’ equity | 15,743 | 15,872 |
Operating results: |  |  |
Operating profits | (971) | (255) | $ (59)
Net (loss)/profits | (123) | (18) | $ (429)
Tianlan |  |  |
Balance Sheet: |  |  |
Current assets | 61,708 | 55,742 |
Non-current assets | 28,287 | 9,733 |
Total assets | 89,995 | 65,475 |
Total liabilities | (64,572) | (40,672) |
Total shareholders’ equity | 25,423 | 24,803 |
Operating results: |  |  |
Net sales | 64,131 | 61,997 |
Operating profits | 2,637 | 833 |
Net (loss)/profits | 2,266 | 1,248 |
Jia Huan |  |  |
Balance Sheet: |  |  |
Current assets | 21,264 | 20,556 |
Non-current assets | 5,288 | 5,635 |
Total assets | 26,552 | 26,191 |
Total liabilities | (12,675) | (12,623) |
Total shareholders’ equity | 13,877 | 13,568 |
Operating results: |  |  |
Net sales | 16,162 | 14,672 |
Operating profits | 1,024 | 545 |
Net (loss)/profits | $ 762 | $ 377 |

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