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FINANCIAL STATEMENT SCHEDULE I (STATEMENT OF CHANGES IN EQUITY) (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2015 | May 31, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | $ 241,656,490 | $ 206,768,070 | $ 137,326,561
Net income |  |  | 43,493,756 | 12,956,889 | 16,649,176
Share-based compensation |  |  | 2,702,089 | 3,687,951 | 1,792,819
Option Exercised |  |  | $ 1,051,586 | 275,783 | 37,080
Option Exercised, shares |  |  | 2,119,700 |  |
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively | $ 28,000,000 | $ 54,600,000 |  | 27,996,959 | 54,624,447
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively,shares | 38,500,000 | 50,000,000 |  |  |
Repurchase of Stock |  |  |  | $ (1,350,164) |
Repurchase of Stock, shares |  |  |  | (2,356,900) |
Capital injection from noncontrolling shareholders |  |  |  | $ 2,516,457 |
Balance |  |  | $ 271,728,922 | 241,656,490 | 206,768,070
Ordinary shares [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | $ 26,320 | $ 22,358 | $ 17,343
Balance, shares |  |  | 260,836,578 | 223,577,853 | 173,427,853
Share-based compensation |  |  |  |  |
Option Exercised |  |  | $ 212 | $ 112 | $ 15
Option Exercised, shares |  |  | 2,119,700 | 1,115,625 | 150,000
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  | $ 3,850 | $ 5,000
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively,shares |  |  |  | 38,500,000 | 50,000,000
Repurchase of Stock |  |  |  |  |
Repurchase of Stock, shares |  |  |  | (2,356,900) |
Capital injection from noncontrolling shareholders |  |  |  |  |
Balance |  |  | $ 26,532 | $ 26,320 | $ 22,358
Balance, shares |  |  | 262,956,278 | 260,836,578 | 223,577,853
Treasury Stock [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | $ (1,748,836) | $ (398,672) | $ (398,672)
Share-based compensation |  |  |  |  |
Option Exercised |  |  |  |  |
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  |  |
Repurchase of Stock |  |  |  | (1,350,164) |
Capital injection from noncontrolling shareholders |  |  |  |  |
Balance |  |  | (1,748,836) | (1,748,836) | (398,672)
Additional paid in capital [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | 236,358,070 | 203,125,494 | 146,676,163
Share-based compensation |  |  | 2,702,089 | 3,687,951 | 1,792,819
Option Exercised |  |  | 1,051,374 | 275,671 | 37,065
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  | 27,993,109 | 54,619,447
Repurchase of Stock |  |  |  |  |
Capital injection from noncontrolling shareholders |  |  |  | 1,275,845 |
Balance |  |  | 240,111,533 | 236,358,070 | 203,125,494
Retained earnings (accumulated losses) [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | (3,061,404) | (16,018,293) | (32,667,469)
Share-based compensation |  |  |  |  |
Option Exercised |  |  |  |  |
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  |  |
Repurchase of Stock |  |  |  |  |
Capital injection from noncontrolling shareholders |  |  |  |  |
Balance |  |  | 40,432,352 | (3,061,404) | (16,018,293)
Accumulated other comprehensive income (loss) [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | 8,780,313 | 20,037,183 | 23,699,196
Share-based compensation |  |  |  |  |
Option Exercised |  |  |  |  |
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  |  |
Repurchase of Stock |  |  |  |  |
Capital injection from noncontrolling shareholders |  |  |  |  |
Balance |  |  | (8,721,820) | 8,780,313 | 20,037,183
Parent Company [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | 240,354,463 | 206,768,070 | 137,326,561
Net income |  |  | 43,493,756 | 12,956,889 | 16,649,176
Other comprehensive loss |  |  | (17,502,133) | (11,256,870) | (3,662,013)
Share-based compensation |  |  | 2,702,089 | 3,687,951 | 1,792,819
Option Exercised |  |  | 1,051,586 | 275,783 | 37,080
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  | 27,996,959 | 54,624,447
Repurchase of Stock |  |  |  | (1,350,164) |
Capital injection from noncontrolling shareholders |  |  |  | 1,275,845 |
Balance |  |  | 270,099,761 | 240,354,463 | 206,768,070
Parent Company [Member] | Ordinary shares [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | $ 26,320 | $ 22,358 | $ 17,343
Balance, shares |  |  | 260,836,578 | 223,577,853 | 173,427,853
Net income |  |  |  |  |
Other comprehensive loss |  |  |  |  |
Share-based compensation |  |  |  |  |
Option Exercised |  |  | $ 212 | $ 112 | $ 15
Option Exercised, shares |  |  | 2,119,700 | 1,115,625 | 150,000
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  | $ 3,850 | $ 5,000
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively,shares |  |  |  | 38,500,000 | 50,000,000
Repurchase of Stock |  |  |  |  |
Repurchase of Stock, shares |  |  |  | (2,356,900) |
Capital injection from noncontrolling shareholders |  |  |  |  |
Balance |  |  | $ 26,532 | $ 26,320 | $ 22,358
Balance, shares |  |  | 262,956,278 | 260,836,578 | 223,577,853
Parent Company [Member] | Treasury Stock [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | $ (1,748,836) | $ (398,672) | $ (398,672)
Net income |  |  |  |  |
Other comprehensive loss |  |  |  |  |
Share-based compensation |  |  |  |  |
Option Exercised |  |  |  |  |
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  |  |
Repurchase of Stock |  |  |  | (1,350,164) |
Capital injection from noncontrolling shareholders |  |  |  |  |
Balance |  |  | (1,748,836) | (1,748,836) | (398,672)
Parent Company [Member] | Additional paid in capital [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | 236,358,070 | 203,125,494 | 146,676,163
Net income |  |  |  |  |
Other comprehensive loss |  |  |  |  |
Share-based compensation |  |  | 2,702,089 | 3,687,951 | 1,792,819
Option Exercised |  |  | 1,051,374 | 275,671 | 37,065
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  | 27,993,109 | 54,619,447
Repurchase of Stock |  |  |  |  |
Capital injection from noncontrolling shareholders |  |  |  | 1,275,845 |
Balance |  |  | 240,111,533 | 236,358,070 | 203,125,494
Parent Company [Member] | Retained earnings (accumulated losses) [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | (3,061,404) | (16,018,293) | (32,667,469)
Net income |  |  | 43,493,756 | 12,956,889 | 16,649,176
Other comprehensive loss |  |  |  |  |
Share-based compensation |  |  |  |  |
Option Exercised |  |  |  |  |
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  |  |
Repurchase of Stock |  |  |  |  |
Capital injection from noncontrolling shareholders |  |  |  |  |
Balance |  |  | 40,432,352 | (3,061,404) | (16,018,293)
Parent Company [Member] | Accumulated other comprehensive income (loss) [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Balance |  |  | 8,780,313 | 20,037,183 | 23,699,196
Net income |  |  |  |  |
Other comprehensive loss |  |  | (17,502,133) | (11,256,870) | (3,662,013)
Share-based compensation |  |  |  |  |
Option Exercised |  |  |  |  |
Follow-on equity offering, net of issuance costs of $3,375,553 and $2,033,041 for the year ended December 31,2014 and 2015 respectively |  |  |  |  |
Repurchase of Stock |  |  |  |  |
Capital injection from noncontrolling shareholders |  |  |  |  |
Balance |  |  | $ (8,721,820) | $ 8,780,313 | $ 20,037,183

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