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Stockholders' Equity (Tables) | 12 Months Ended
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Sep. 30, 2012
Weighted Average Assumptions Used to Estimate Fair Value of Stock Option Grants | In addition to the exercise and grant date prices of the awards, certain weighted average assumptions that were used to estimate the fair value of stock option grants are listed in the following table:
| Fiscal 2012 Non-Statutory Stock Options | Fiscal 2011 Incentive Stock Options | Fiscal 2011 Non-Statutory Stock Options
Expected term (years) | 7.1 to 7.5 | 6.5 | 6.7
Expected volatility | 95.71 % to 104.8% | 98.5% | 97.4%
Risk-free interest rate | 1.13% to 1.47% | 2.46% | 2.52%
Expected dividends | 0 | 0 | 0
Summary of Stock Option Activity under Share Based Compensation Plan | A summary of stock option activity under our share-based compensation plan for the fiscal year ended September 30, 2012 is presented in the following table:
| Options | Weighted Average Exercise Price | Weighted Average Remaining Contractual Life (Yrs.) | Aggregate Intrinsic Value
Outstanding-beg of year | 166,022 | $6.89 |  |
Granted | 34,000 | $1.37 |  |
Exercised | 0 |  |  |
Forfeited | (5,667) | $1.34 |  |
Expired | (19,066) | $5.25 |  |
Outstanding Sept 30, 2012 | 175,289 | $6.18 | 6.3 | $0
Exercisable Sept 30, 2012 | 112,418 | $8.60 | 5.3 | $0

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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