XML 34 R24.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Stock Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Stock Based Compensation [Abstract] |
Schedule of Stock Based Compensation Expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended |  | Nine Months Ended |
​ |  | September 30, |  | September 30, |
​ |  | 2022 |  | 2021 |  | 2022 |  | 2021 | ​
General and administrative | ​ | $ | 255 | ​ | $ | 223 | ​ | $ | 724 | ​ | $ | 587 | ​
Research and development | ​ | ​ | 134 | ​ | $ | 96 | ​ | $ | 396 | ​ | $ | 266 | ​
Stock-based compensation costs before income taxes | ​ | $ | 389 | ​ | $ | 319 | ​ | $ | 1,119 | ​ | $ | 853 | ​
Schedule of Fair Value of the Stock Options Granted | ​
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​
​ | ​ | Nine months ended | ​ | Nine months ended
​ |  | September 30, 2022 |  | September 30, 2021
Expected term (years) |  | 5 – 6 |  | 5 – 6
Risk free interest rate |  | 1.370% – 3.605% | ​ | 0.420%  – 1.000%
Volatility |  | 86% – 93% | ​ | 96% – 102%
Expected dividend yield over expected term |  | 0.00% | ​ | 0.00%
​ | ​ | ​ | ​ | ​
Schedule of Share Option Activity | A summary of the share option activity and related information is as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ |  | Weighted |  | ​ | ​
​ |  | ​ |  | Weighted |  | Average |  | ​ | ​
​ |  | Number of |  | Average |  | Remaining |  | Aggregate
​ | ​ | Options |  | Exercise |  | Contractual | ​ | Intrinsic
​ | ​ | Outstanding | ​ | Price Per Share |  | Term (Years) | ​ | Value ($000)
Options outstanding at December 31, 2021 |  | 1,099,357 | ​ | $ | 7.53 |  | 8.99 | ​ | $ | 189
Granted |  | 522,337 | ​ | $ | 2.41 |  | — | ​ |  | —
Cancelled/forfeited |  | (3,604) | ​ | $ | 28.15 |  | ​ | ​ |  | ​
Options outstanding at September 30, 2022 |  | 1,618,090 | ​ | $ | 5.83 |  | 8.60 | ​ | $ | 85
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unvested at September 30, 2022 |  | 990,399 | ​ | $ | 3.16 |  | 9.14 | ​ | $ | 85
Vested and exercisable at September 30, 2022 |  | 627,691 | ​ | $ | 10.04 |  | 7.75 | ​ | $ | —
Schedule of Restricted Stock Units Activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted
​ |  | ​ |  | Average
​ | ​ | Restricted |  | Grant Date
​ | ​ | Stock Units | ​ | Value Per Share
Restricted Stock Units outstanding at December 31, 2021 |  | 18,992 | ​ | $ | 6.69
Granted | ​ | 118,665 | ​ | ​ | 1.11
Restricted Stock Units outstanding at September 30, 2022 | ​ | 137,657 | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​
Unvested at September 30, 2022 |  | 120,248 | ​ | $ | 1.18
Vested and exercisable at September 30, 2022 |  | 17,409 | ​ | $ | 6.69

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=122041274&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&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 (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration