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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 at Sep. 30, 2011 $ 324 $ 85,673,560 $ (65,398,586) $ 20,275,298
Balances (in Shares) at Sep. 30, 2011 32,374,499      
Share-based compensation expense   684,451   684,451
Net income     1,462,020 1,462,020
Balances at Sep. 30, 2012 324 86,358,011 (63,936,566) 22,421,769
Balances (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