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Stockholders' Equity
 12 Months Ended
Sep. 30, 2011
Stockholders' Equity [Abstract]  
Stockholders' Equity

14. STOCKHOLDERS' EQUITY

Common Stock Activity

During the year ended September 30, 2011, the Company issued 131,765 shares of common stock and obtained gross proceeds of $145,450 in connection with the exercise of stock options.

Preferred Stock

The Company is authorized under its certificate of incorporation and bylaws to issue 5,000,000 shares of preferred stock, $0.00001 par value, without any further action by the stockholders. The board of directors has the authority to divide any and all shares of preferred stock into series and to fix and determine the relative rights and preferences of the preferred stock, such as the designation of series and the number of shares constituting such series, dividend rights, redemption and sinking fund provisions, liquidation and dissolution preferences, conversion or exchange rights and voting rights, if any. Issuance of preferred stock by the board of directors could result in such shares having dividend and or liquidation preferences senior to the rights of the holders of common stock and could dilute the voting rights of the holders of common stock.

No shares of preferred stock were outstanding during the fiscal years ended September 30, 2011 or 2010.

Stock Purchase Warrants

In February 2011, 1,627,945 stock purchase warrants originally issued on August 7, 2006 (the "2006 Warrants") were exercised at a price of $2.67 for total proceeds of $4,346,613. The remaining 12,564 of the 2006 Warrants expired unexercised. On February 4, 2011, in consideration of the warrant holders exercising the 2006 Warrants at an exercise price above the then current market price of the Company's common stock, the Company issued to the warrant holders new warrants exercisable for an aggregate of 1,627,945 shares of common stock at an exercise price of $2.67 per share (the "2011 Warrants"). The 2011 Warrants are exercisable from August 4, 2011 through February 4, 2016. The fair value of the 2011 Warrants, which was recorded as a non-cash offering cost and offset to the proceeds from the exercise of the 2006 Warrants, was estimated to be $2,164,773 using a Black-Scholes pricing model, assuming a 5.0 year expected life, a volatility of 88.5%, a risk-free interest rate of 2.26% and no expected forfeitures or dividend yield.

The Company entered into a Registration Rights Agreement with the holders of the 2011 Warrants ("Warrant Holders"). Under this agreement, the Company agreed to prepare and file, within 30 days following the issuance of the 2011 Warrants, a registration statement covering the resale of the shares of common stock issuable upon exercise of the 2011 Warrants. If the registration statement was not declared effective within 90 days following the date of issuance of the securities, or the Warrant Holders are otherwise unable to re-sell the shares purchased upon exercise of the 2011 Warrants, the Company will be obligated to pay liquidated damages to the purchasers in the amount of $0.01335 per day per applicable share until 180 days after the date the registration statement is required to be filed, and $0.0267 per day per applicable share thereafter, but not to exceed a total of $0.534 per applicable share or a maximum of $869,323. This obligation will be effective for the five year term of the Warrants, or until all 2011 Warrants have been exercised.

On March 2, 2011, the Company filed a registration statement on Form S-3, which satisfied its initial registration obligations under this agreement. On April 7, 2011, this registration statement became effective, which satisfied the initial 90 day effectiveness obligation. No liquidated damages have been accrued as of September 30, 2011 as it was not deemed to be probable that any such damages will be incurred.

Pursuant to guidance in ASC 815-40, which the Company adopted October 1, 2009 (see Notes 2 and 4), management determined that 1,948,204 warrants granted in 2006 contained a strike price adjustment feature resulting in the instruments no longer being considered indexed to the Company's own stock. Accordingly, on October 1, 2009, these warrants were reclassified from equity and the Company recorded a warrant liability of $747,917 with a cumulative effect adjustment to accumulated deficit of $1,499,063 based on the change in fair value of the warrants from their issuance date to the reclassification date. The warrant fair value was adjusted each reporting period based on current assumptions, with the change in value recognized in current earnings. At August 6, 2010, the date the warrants were scheduled to expire, the estimated fair value of the warrant liability was reduced to $0, based on the fair value on that date and the amendment described below which removed the strike price adjustment feature of the warrants so that they no longer are required to be classified as a derivative liability under the provisions of ASC 815-40. Other income of $747,917 was recognized during the year ended September 30, 2010 based on the change in fair value. The warrant fair values at August 6, 2010 and October 1, 2009 were determined using the Black-Scholes valuation model using the closing stock price at each date, volatility rates of 71% and 96%, risk free interest rates of 0.00% and 0.27%, and contractual lives equal to the remaining term of the warrants expiring August 6, 2010 which was 0.00 years and 0.85 years as of each measurement date.

In July and August, 2010, prior to the expiration of the warrants, the Company entered into an Amendment No. 1 to Warrant (the "Amendment") with certain holders of its outstanding warrants. The Amendment extended the expiration date on 1,640,509 warrants from August 6, 2010 to February 6, 2011. In consideration for the extended expiration date, the holders were no longer entitled to receive (a) a pro rata distribution of shares of any wholly owned subsidiary of the company in a spin off transaction upon exercise of the warrants after the record date for such spin-off or (b) an adjustment to the warrant exercise price for subsequent issuances of securities by the Company at a price less than the then current exercise price for the warrants. Based on the elimination of the repricing provision, the warrants extended were no longer required to be classified as a derivative liability under the provisions of ASC 815-40. As such, at August 6, 2010, the value of the derivatives was reduced to $0, as the original warrants held no value at the original expiration date, and then an operating expense of $1,725 was recorded for those warrants extended using the Black-Scholes valuation model based on the closing price on August 6, 2010, a volatility rate of 51%, risk free interest rate of 0.20% and a contractual life of six months representing the term of the extension.