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ACCOUNTS RECEIVABLE, NET (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accounts receivable | $ 9,569,468 | $ 13,425,508 |
Less: allowance for doubtful accounts | (8,913,180) | (12,538,651) | $ (935,865)
Net accounts receivable | 656,288 | 886,857 |
Less: accounts receivable, net, held for discontinued operations | (36,876) | (744,628) |
Accounts receivable, net, held for continuing operations | $ 619,412 | $ 142,229 |

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