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Stock-Based Compensation (Tables) | 9 Months Ended
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Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Weighted Average Assumptions Used to Estimate Fair Value of Stock Option Grants |
| Fiscal 2016 Incentive and Non-Statutory Stock Options | Fiscal 2015 Incentive and Non-Statutory Stock Options
Expected term (years) | 6.5 to 7.5 | 6.5
Expected volatility | 79.75% to 89.08% | 87.40% to 112.11%
Risk-free interest rate | 1.45% to 2.07% | 1.84% to 1.94%
Expected dividends | 0 | 0
Summary of Stock Option Activity under Share Based Compensation Plan |
|  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Avg. Remaining Contractual Life (Yrs.) |
Outstanding-beginning of year |  |  | 540,444 |  |  | $ | 5.27 |  |  |  |
Options granted |  |  | 88,429 |  |  | $ | 5.14 |  |  |  |
Options exercised |  |  | (19,530 | ) |  | $ | 2.02 |  |  |  |
Forfeited |  |  | (15,779 | ) |  | $ | 8.07 |  |  |  |
Expired |  |  | (13,916 | ) |  | $ | 17.04 |  |  |  |
Outstanding June 30, 2016 |  |  | 579,648 |  |  | $ | 5.00 |  |  |  | 7.2 |
Exercisable June 30, 2016 |  |  | 282,884 |  |  | $ | 4.58 |  |  |  | 5.8 |
Schedule of Non-vested Restricted Stock Activity |
|  | Shares |  |  | Grant Date Fair Value Per Share
Non-vested shares at beg of year |  | 148,426 |  |  | $3.23 to $8.60
Granted |  | 44,755 |  |  | $4.18
Forfeited |  | (8,721 | ) |  | $8.60
Vested |  | (3,544 | ) |  | $8.23
Non-vested shares at June 30, 2016 |  | 180,916 |  |  | $3.23 to $8.60

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + 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 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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