v3.23.3

Share-based Compensation, Stock Options, Activity (Details) - $ / shares	3 Months Ended				9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares Available for Grant, ending	245,442	455,074	396,014		396,014
Shares Available for Grant, Options granted	(185,000)	(377,500)	(54,000)
Number of Shares, Stock option granted	185,000			35,000	616,500	379,569
Shares Available for Grant, Options cancelled	65,827	167,868	113,060
Shares Available for Grant, ending	126,269	245,442	455,074		126,269
Options/RSU Outstanding [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, beginning of the period	2,322,576	2,102,944	2,111,379		2,111,379
Weighted-Average Exercise Price, ending	$ 6.18	$ 7.35	$ 7.36		$ 7.36
Number of Shares, Stock option granted	185,000	377,500	54,000
Weighted-Average Exercise Price, Options granted	$ 0.08	$ 0.16	$ 0.46
Number of Shares, Options cancelled	(45,827)	(157,868)	(62,435)
Weighted-Average Exercise Price, Options cancelled	$ 1.66	$ 0.16	$ 1.72
Number of Shares, end of the period	2,322,576	2,322,576	2,102,944		2,322,576
Weighted-Average Exercise Price, ending	$ 6.27	$ 6.18	$ 7.35		$ 6.27

The number of shares that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the shares available for grant.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Aridis Pharmaceuticals, Inc. 10-Q