XML 38 R25.htm IDEA: XBRL DOCUMENT
v3.21.2

Stock-Based Compensation (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Stock-Based Compensation |
Schedule of options granted under employee stock plans |
|  | Shares Available for Grant |  |  | Number of Shares Outstanding |  |  | Weighted-Average Price |
Balance as of December 31, 2020 |  |  | 380 |  |  |  | 5,327 |  |  | $ | 1.14 |
Authorized |  |  | 816 |  |  |  | - |  |  |  | - |
Options Granted |  |  | (975 | ) |  |  | 975 |  |  |  | 3.40 |
RSAs Granted |  |  | (39 | ) |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | (1,929 | ) |  |  | 1.45 |
Forfeited/expired |  |  | 176 |  |  |  | (176 | ) |  |  | 1.79 |
Balance as of June 30, 2021 |  |  | 358 |  |  |  | 4,197 |  |  | $ | 1.49 |
Schedule of weighted average fair value calculations for options |
|  | For the three months ended June 30, |
Description |  | 2021 |  |  | 2020 |
Dividend-yield |  |  | 0 | % |  |  | 0 | %
Risk-free interest rate |  |  | 1.30 | % |  |  | 0.39 | %
Expected volatility |  |  | 122.81 | % |  |  | 87.09 | %
Expected life (years) |  |  | 7 |  |  |  | 5 |
Market value per share on grant date |  | $ | 13.09 |  |  | $ | 0.60 |
Fair value per share on grant date |  | $ | 11.79 |  |  | $ | 0.41 |

X
- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum: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: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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