XML 41 R30.htm IDEA: XBRL DOCUMENT
v3.22.4

Stock Option Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Stock Option Activity Under Stock Option Plan | Stock option activity under the Company's stock options plans for the years ending December 31, 2022 and 2021 were as follows:
(in thousands, except share and per share data) |  | Number of Shares |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Contractual Term (Years) |  |  | Aggregate Intrinsic Value |
Outstanding, December 31, 2020 |  |  | 6,840,719 |  |  |  | 3.81 |  |  |  |  |  |  |
Granted |  |  | 9,380,438 |  |  |  | 2.62 |  |  |  |  |  |  |
Exercised |  |  | (363,109 | ) |  |  | 2.86 |  |  |  |  |  |  |
Cancelled |  |  | (5,192,179 | ) |  |  | 3.65 |  |  |  |  |  |  |
Outstanding, December 31, 2021 |  |  | 10,665,869 |  |  | $ | 2.87 |  |  |  |  |  |  |
Granted |  |  | 4,697,500 |  |  |  | 1.08 |  |  |  |  |  |  |
Exercised |  |  | (26,250 | ) |  |  | 0.80 |  |  |  |  |  |  |
Cancelled |  |  | (4,928,497 | ) |  |  | 3.34 |  |  |  |  |  |  |
Outstanding, December 31, 2022 |  |  | 10,408,622 |  |  | $ | 1.84 |  |  |  | 8.69 |  |  | $ | 3 |
Options exercisable, December 31, 2022 |  |  | 3,891,598 |  |  | $ | 2.46 |  |  |  | 8.08 |  |  | $ | — |
Options exercisable, December 31, 2021 |  |  | 4,410,312 |  |  | $ | 3.85 |  |  |  | 7.53 |  |  | $ | — |
Options available for future grant, December 31, 2022 |  |  | 15,460,088 |  |  |  |  |  |  |  |  |  |
Summary of Non-Vested Restricted Stock | A summary of the status of restricted stock as of December 31, 2022 and 2021 is as follows:
|  | Number of Shares |  |  | Weighted-Average Grant Date Fair Value |
Unvested, December 31, 2020 |  |  | 786,280 |  |  |  | 3.08 |
Granted |  |  | 1,601,224 |  |  |  | 2.60 |
Vested |  |  | (754,137 | ) |  |  | 3.40 |
Cancelled |  |  | (434,787 | ) |  |  | 3.45 |
Unvested, December 31, 2021 |  |  | 1,198,580 |  |  | $ | 2.10 |
Granted |  |  | 280,000 |  |  |  | 0.82 |
Vested |  |  | (306,617 | ) |  |  | 2.28 |
Cancelled |  |  | (232,901 | ) |  |  | 3.15 |
Unvested, December 31, 2022 |  |  | 939,062 |  |  | $ | 1.40 |

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 the changes in outstanding nonvested shares. + 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)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
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 https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration