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Stockholders' Equity - Restricted Stock Units (Details) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2020 | Sep. 30, 2019
Restricted Stock Units |  |
Outstanding at beginning of period (in shares) |  | 777,153
Granted (in shares) |  | 431,250
Canceled/forfeited (in shares) |  | (29,800)
Outstanding at end of period (in shares) |  | 1,178,603
Weighted Average Grant Date Fair Value |  |
Outstanding at beginning of period (in dollars per share) |  | $ 1.04
Granted (in dollars per share) |  | 0.30
Canceled/forfeited (in dollars per share) |  | 0.47
Outstanding at end of period (in dollars per share) |  | $ 0.78
Weighted Average Remaining Contractual Life (in years) |  |
Outstanding at end of period |  | 8 years
Restricted Stock Units |  |
Restricted Stock Units |  |
Outstanding at beginning of period (in shares) | 33,051 |
Granted (in shares) | 80,000 |
Released (in shares) | (19,873) |
Canceled/forfeited (in shares) | 0 |
Outstanding at end of period (in shares) | 93,178 |
Weighted Average Grant Date Fair Value |  |
Outstanding at beginning of period (in dollars per share) | $ 2.63 |
Granted (in dollars per share) | 0.30 |
Released (in dollars per share) | 2.72 |
Canceled/forfeited (in dollars per share) | 0 |
Outstanding at end of period (in dollars per share) | $ 0.61 |
Weighted Average Remaining Contractual Life (in years) |  |
Outstanding at end of period | 8 years 8 months 12 days |

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- Definition Number of options outstanding, including both vested and non-vested options. + 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 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + 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 (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&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=116856206&loc=d3e5070-113901 + Details
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