Note 3. Accounts Receivable
Accounts receivable consisted of the following as of December 31, 2010 and 2011 (in thousands):
| 2010 | 2011 | |||||||
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Accounts receivable |
$ | 37,172 | $ | 52,747 | ||||
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Less: Allowance for doubtful accounts |
(11,724 | ) | (17,522 | ) | ||||
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Accounts receivable, net |
$ | 25,448 | $ | 35,225 | ||||
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