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Condensed consolidated statements of changes in shareholders equity - USD ($) | Common stock issued [Member] | Donated shares [Member] | Additional paid-in capital [Member] | Statutory reserves [Member] | Accumulated deficit [Member] | Accumulated other comprehensive income (loss) [Member] | Treasury shares [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Sep. 30, 2014 | $ 12,763 | $ 14,101,689 | $ 127,438,362 |  | $ (141,796,196) | $ (25,631) | $ (4,066,610) | $ (4,335,623)
Beginning Balance (Shares) at Sep. 30, 2014 | 12,763,803 |  |  |  |  |  | (144,206) |
Net profit |  |  |  |  | 17,501,948 |  |  | 17,501,948
Share-based compensation for employee and director stock awards |  |  | 192,429 |  |  |  |  | 192,429
Foreign currency translation adjustment |  |  |  |  |  | 18,022 |  | 18,022
Ending Balance at Jun. 30, 2015 | $ 12,763 | 14,101,689 | 127,630,791 |  | (124,294,248) | (7,609) | $ (4,066,610) | 13,376,776
Ending Balance (Shares) at Jun. 30, 2015 | 12,763,803 |  |  |  |  |  | (144,206) |
Beginning Balance at Sep. 30, 2015 | $ 12,856 | 14,101,689 | 138,036,080 |  | (125,922,270) | (492,858) | $ (4,066,610) | 21,668,887
Beginning Balance (Shares) at Sep. 30, 2015 | 12,856,301 |  |  |  |  |  | (144,206) |
Net profit |  |  |  |  | (6,704,472) |  |  | (6,704,472)
Transfer to statutory reserves |  |  |  | $ 1,230,511 | (1,230,511) |  |  |
Common stock issued to new investors | $ 4,377 |  | (4,377) |  |  |  |  |
Common stock issued to new investors (Shares) | 4,376,731 |  |  |  |  |  |  |
Common stock issued to employees and directors for stock award | $ 199 |  | (199) |  |  |  |  |
Common stock issued to employees and directors for stock award (Shares) | 199,168 |  |  |  |  |  |  |
Share-based compensation for employee and director stock awards |  |  | 1,071,564 |  |  |  |  | 1,071,564
Foreign currency translation adjustment |  |  |  |  |  | (920,989) |  | (920,989)
Ending Balance at Jun. 30, 2016 | $ 17,432 | $ 14,101,689 | $ 139,103,068 | $ 1,230,511 | $ (133,857,253) | $ (1,413,847) | $ (4,066,610) | $ 15,114,990
Ending Balance (Shares) at Jun. 30, 2016 | 17,432,200 |  |  |  |  |  | (144,206) |

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