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Share-Based Compensation (Tables) | 12 Months Ended
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Sep. 30, 2012
Share-Based Compensation [Abstract] |
Weighted-average estimated fair value of employee stock options granted |
|  | 2012 |  | 2011
Volatility |  | 81.0% - 82.0% |  | 89.0% - 93.0%
Risk-free interest rate |  | 0.8% - 1.1% |  | 1.0% - 1.8%
Forfeiture rate |  | 10.0% |  | 10.0%
Dividend yield |  | 0.0% |  | 0.0%
Expected life in years |  | 5.4 - 6.4 |  | 3.4 - 6.5
Weighted average fair value of options granted during the year |  | $0.88 |  | $1.60
Stock Option Activity |
|  | Number of Shares |  |  | Weighted Average Exercise Price |
Fiscal 2011: |  |  |  |  |  |  |  |
Outstanding October 1, 2010 |  |  | 4,408,742 |  |  | $ | 2.50 |
Granted |  |  | 378,000 |  |  | $ | 2.39 |
Forfeited/expired |  |  | (473,638 | ) |  | $ | 3.60 |
Exercised |  |  | (131,765 | ) |  | $ | 1.10 |
Outstanding September 30, 2011 |  |  | 4,181,339 |  |  | $ | 2.40 |
Exercisable September 30, 2011 |  |  | 3,705,939 |  |  | $ | 2.47 |
Fiscal 2012: |  |  |  |  |  |  |  |
Outstanding October 1, 2011 |  |  | 4,181,339 |  |  | $ | 2.40 |
Granted |  |  | 1,237,500 |  |  | $ | 1.33 |
Forfeited/expired |  |  | (1,955,500 | ) |  | $ | 3.67 |
Outstanding September 30, 2012 |  |  | 3,463,339 |  |  | $ | 1.31 |
Exercisable September 30, 2012 |  |  | 2,575,857 |  |  | $ | 1.25 |
Weighted average fair value of options granted during the year |  |  |  |  |  | $ | 0.88 |
Summary of stock options outstanding |
Range of Exercise Prices |  | Number Outstanding |  |  | Weighted Average Remaining Contractual Life |  |  | Weighted Average Exercise Price |  |  | Number Exercisable |  |  | Weighted Average Exercise Price |
$0.46-$1.00 |  |  | 746,482 |  |  |  | 1.19 |  |  | $ | 0.48 |  |  |  | 746,169 |  |  | $ | 0.48 |
$1.01-$1.50 |  |  | 1,916,157 |  |  |  | 7.10 |  |  | $ | 1.29 |  |  |  | 1,170,032 |  |  | $ | 1.28 |
$1.51-$2.00 |  |  | 408,700 |  |  |  | 0.89 |  |  | $ | 1.85 |  |  |  | 376,106 |  |  | $ | 1.87 |
$2.01-$2.50 |  |  | 276,500 |  |  |  | 8.21 |  |  | $ | 2.26 |  |  |  | 186,103 |  |  | $ | 2.25 |
$2.51-$3.13 |  |  | 115,500 |  |  |  | 3.43 |  |  | $ | 2.65 |  |  |  | 97,447 |  |  | $ | 2.64 |
$0.46-$3.13 |  |  | 3,463,339 |  |  |  | 5.06 |  |  | $ | 1.31 |  |  |  | 2,575,857 |  |  | $ | 1.25 |
Share-Based Compensation |
Years Ended September 30, |  | 2012 |  |  | 2011 |
Cost of revenue |  | $ | 21,662 |  |  | $ | 25,928 |
Selling, general and administrative |  |  | 603,989 |  |  |  | 335,796 |
Research and development |  |  | 58,800 |  |  |  | 60,919 |
Total |  | $ | 684,451 |  |  | $ | 422,643 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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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 employee stock purchase plans, including, but not limited to: (a) expected term, (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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