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Condensed consolidated statements of changes in shareholders equity (deficit) - USD ($) | Common stock issued [Member] | Donated shares [Member] | Additional paid-in capital [Member] | Statutory reserves [Member] | Accumulated deficit [Member] | Accumulated other comprehensive loss [Member] | Non-Controlling Interest [Member] | Treasury shares [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2016 | $ 19,745 | $ 14,101,689 | $ 145,353,067 | $ 1,230,511 | $ (141,999,372) | $ (1,961,461) |  | $ (4,066,610) | $ 12,677,569
Beginning Balance (Shares) at Dec. 31, 2016 | 19,744,675 |  |  |  |  |  |  | (144,206) |
Net loss |  |  |  |  | (5,821,596) |  |  |  | (5,821,596)
Common stock issued to investors | $ 6,403 |  | 9,598,874 |  |  |  |  |  | 9,605,277
Common stock issued to investors (Shares) | 6,403,518 |  |  |  |  |  |  |  |
Share-based compensation for employee and director stock awards |  |  | 491,247 |  |  |  |  |  | 491,247
Common stock issued to employees and directors for stock awards | $ 112 |  | (112) |  |  |  |  |  |
Common stock issued to employees and directors for stock awards (Shares) | 111,499 |  |  |  |  |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  | 338,044 |  |  | 338,044
Ending Balance at Jun. 30, 2017 | $ 26,260 | 14,101,689 | 155,443,076 | 1,230,511 | (147,820,968) | (1,623,417) |  | $ (4,066,610) | 17,290,541
Ending Balance (Shares) at Jun. 30, 2017 | 26,259,692 |  |  |  |  |  |  | (144,206) |
Beginning Balance at Dec. 31, 2017 | $ 26,368 | 14,101,689 | 155,711,014 | 1,230,511 | (163,466,713) | (1,340,533) |  | $ (4,066,610) | 2,195,726
Beginning Balance (Shares) at Dec. 31, 2017 | 26,367,523 |  |  |  |  |  |  | (144,206) |
Capital contribution from non-controlling interests of a subsidiary |  |  |  |  |  |  | $ 6,045 |  | 6,045
Net loss |  |  |  |  | (6,010,028) |  | (3,493) |  | (6,013,521)
Share-based compensation for employee and director stock awards |  |  | 154,855 |  |  |  |  |  | 154,855
Common stock issued to employees and directors for stock awards | $ 34 |  | (34) |  |  |  |  |  |
Common stock issued to employees and directors for stock awards (Shares) | 33,499 |  |  |  |  |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  | 139,910 | (133) |  | 139,777
Ending Balance at Jun. 30, 2018 | $ 26,402 | $ 14,101,689 | $ 155,865,835 | $ 1,230,511 | $ (169,476,741) | $ (1,200,623) | $ 2,419 | $ (4,066,610) | $ (3,517,118)
Ending Balance (Shares) at Jun. 30, 2018 | 26,401,022 |  |  |  |  |  |  | (144,206) |

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