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Consolidated Statements of Stockholders’ Equity (USD $) | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total
--- | --- | --- | --- | ---
Balances, September 30, 2012 at Sep. 30, 2012 | $ 324 | $ 86,358,011 | $ (63,936,566) | $ 22,421,769
Balances, September 30, 2012 (in Shares) at Sep. 30, 2012 | 32,374,499 |  |  |
Issuance of common stock upon exercise of stock options , net | 5 | 340,445 |  | 340,450
Issuance of common stock upon exercise of stock options , net (in Shares) | 526,206 |  |  | 526,206
Share-based compensation expense |  | 736,378 |  | 736,378
Net income |  |  | 1,262,812 | 1,262,812
Balances at Sep. 30, 2013 | 329 | 87,434,834 | (62,673,754) | 24,761,409
Balances (in Shares) at Sep. 30, 2013 | 32,900,705 |  |  |
Issuance of common stock upon exercise of stock options , net | 6 | 544,887 |  | 544,893
Issuance of common stock upon exercise of stock options , net (in Shares) | 612,941 |  |  | 612,941
Share-based compensation expense |  | 585,753 |  | 585,753
Repurchase of common stock | (3) | (516,349) |  | (516,352)
Repurchase of common stock (in Shares) | (277,157) |  |  |
Net income |  |  | 3,327,088 | 3,327,088
Balances at Sep. 30, 2014 | $ 332 | $ 88,049,125 | $ (59,346,666) | $ 28,702,791
Balances (in Shares) at Sep. 30, 2014 | 33,236,489 |  |  |

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