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Accounts Receivable - net | 12 Months Ended
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Dec. 31, 2013
Accounts Receivable - net |
Accounts Receivable - net | 3. Accounts Receivable - net
|  | December 31, |  | December 31, |
|  | 2012 |  | 2013 |
Trade receivables (note 9) |  | $ | 25,606 |  | $ | 33,743 |
Allowance for doubtful accounts |  | (2,936 | ) | (2,429 | )
|  | 22,670 |  | 31,314 |
Other receivables |  | 770 |  | 613 |
Total accounts receivable |  | $ | 23,440 |  | $ | 31,927 |
As at December 31, 2012, accounts receivable with a carrying value of $5,600 (RMB 35 million) were pledged as collateral for a bank loan which was repaid in full in 2013. (note 9). The allowance for doubtful accounts reflects the Company’s best estimate of probable losses inherent in the accounts receivable balance. The Company estimates the allowance based on known troubled accounts, historical experience, the age of the accounts receivable balances, credit quality of the Company’s customers, current economic conditions, and other factors that may affect customers’ ability to pay. The Company records its allowance for doubtful accounts based upon its assessment of various factors. As of December 31, 2013, the Company provided 100% (2012: 100%) allowance for accounts receivable aged more than three years, approximately 56.3% (2012: 100%) allowance for accounts receivable aged between two year and three years, approximately 16.9% (2012: 48.5%) allowance for accounts receivable aged between one year and two years, and approximately 1.7% (2012: 4%) allowance for accounts receivable aged less than one year. For the year ended December 31, 2013, the Company changed its estimates of the allowance for doubtful accounts due to an improved historical trend of being able to collect accounts aged two years or more. The change in estimate resulted in an increase to operating income and net income attributable to stockholders by $801 and $616, respectively. In addition, basic and diluted earnings per share increased by $0.02 and $0.01, respectively. The Company’s maximum exposure to credit risk at the balance sheets date relating to trade receivables is summarized as follows:
|  | December 31, |  | December 31, |
|  | 2012 |  | 2013 |
Aging within one year, net of allowance for doubtful accounts |  | $ | 22,065 |  | $ | 29,565 |
Aging greater than one year, net of allowance for doubtful accounts |  | 605 |  | 1,749 |
Total trade receivables |  | $ | 22,670 |  | $ | 31,314 |

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5066-111524 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5162-111524 + Details
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