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Stock-based Compensation and Equity Grants - Stock Options Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Number of Shares |  |
Outstanding at beginning of period (in shares) | 2,134 |
Granted (in shares) | 35 |
Exercised or canceled (in shares) | (35) |
Outstanding at end of period (in shares) | 2,134 | 2,134
Weighted Average Exercise Price |  |
Outstanding at beginning of period (in dollars per share) | $ 4.31 |
Granted (in dollars per share) | 5.25 |
Exercised or canceled (in dollars per share) | 1.12 |
Outstanding at end of period (in dollars per share) | $ 4.36 | $ 4.31
Weighted Average Remaining Contractual Term |  |
Options outstanding at the of period (in years) | 5 years 10 months 25 days | 6 years 3 months 18 days
Aggregate Intrinsic Value |  |
Options outstanding at the end of period | $ 4,815 | $ 6,949
Weighted average value of shares granted (in dollars per share) | $ 3.82 |

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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