XML 35 R25.htm IDEA: XBRL DOCUMENT
v3.22.1

EQUITY INCENTIVE PLAN (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
EQUITY INCENTIVE PLAN [Abstract] |
Summary of stock option activity | The following table summarizes stock option activity under our plans during the three months ended March 31, 2022:
​ | ​ | ​ | ​ | ​ | ​
​ |  | Number of |  | Weighted-Average
​ | ​ | Options | ​ | Exercise Price
Outstanding at January 1, 2022 |  | 2,635,287 | ​ | $ | 3.38
Granted |  | 1,004,000 | ​ |  | 1.54
Forfeited |  | (3,800) | ​ |  | 4.95
Outstanding at March 31, 2022 |  | 3,635,487 | ​ | $ | 2.87
Exercisable at March 31, 2022 |  | 1,490,162 | ​ | $ | 3.56

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 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: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration