iBio Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Narrative) (Details)

Share-Based Compensation (Narrative) (Details)					3 Months Ended				12 Months Ended
Share-Based Compensation (Narrative) (Details)	Mar. 31, 2023 USD ($)	Aug. 29, 2022 USD ($) $ / shares shares	Aug. 23, 2021 USD ($) $ / shares shares	Dec. 09, 2020 USD ($) shares	Sep. 30, 2022 $ / shares shares	Mar. 31, 2022 item $ / shares shares	Dec. 31, 2021 $ / shares shares	Sep. 30, 2021 $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options granted \| shares									307,863	313,568
Weighted-average exercise price per share, granted \| $ / shares									$ 7.06	$ 27.50
Award vested in period, fair value \| $									$ 4,828,000	$ 3,334,000
Proceeds from exercise of stock options \| $									0	77,000
Share based payment award, stock options, intrinsic value \| $									0	$ 19,000
Compensation cost, not recognized \| $									$ 2,193,000
Compensation cost recognition period									2 years 3 months 18 days
Weighted-average grant date fair value of stock options granted \| $ / shares									$ 6.30	$ 23.25
Share Price \| $ / shares									$ 0.61	$ 6.50
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost, not recognized \| $									$ 445,000
Compensation cost recognition period									9 months 18 days
2020 Omnibus Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for future issuance \| shares				1,280,000
Maximum value of all awards awarded under the Plan \| $				$ 500,000
2020 Omnibus Equity Incentive Plan [Member] \| Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	12 months
Share based payment award, Grant-date fair value \| $	$ 468,000
Minimum [Member] \| 2020 Omnibus Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Maximum [Member] \| 2020 Omnibus Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				5 years
Isett [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period								36 months
Number of options granted \| shares								80,000
Weighted-average exercise price per share, granted \| $ / shares								$ 29.25
Consultants [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					12 months	12 months	8 months
Number of options granted \| shares					4,000	1,200	4,000
Weighted-average exercise price per share, granted \| $ / shares					$ 6.75	$ 13.00	$ 21.25
Share based payment plan term						10 years	10 years
Number of consultants \| item						2
Employees [Member] \| Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years	4 years
Share-based award, Number of awards issued \| shares		6,954	4,229
Market value per share \| $ / shares		$ 7.06	$ 31.50
Share based payment award, Grant-date fair value \| $		$ 49,000	$ 133,000
Employees [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options granted \| shares					303,869			165,488
Share-based award, Number of awards issued \| shares						24,000
Stock options vesting percentage						25.00%		25.00%
Employees [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Share-Based Payment Arrangement, Tranche One [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					1 year	1 year		1 year
Stock options vesting percentage					25.00%
Employees [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Share-Based Payment Arrangement, Tranche Two [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					36 months	36 months		36 months
Employees [Member] \| Minimum [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average exercise price per share, granted \| $ / shares					$ 6.75	$ 8.50		$ 26.50
Employees [Member] \| Maximum [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average exercise price per share, granted \| $ / shares					$ 9.50	$ 11.50		$ 33.75
Directors [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period							1 year
Number of options granted \| shares							34,880
Weighted-average exercise price per share, granted \| $ / shares							$ 17.25
Share based payment plan term							10 years
Board Of Directors and Employees [Member] \| 2020 Omnibus Equity Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period								3 years
Number of options granted \| shares								4,000
Weighted-average exercise price per share, granted \| $ / shares								$ 31.50
Scenario One [Member] \| 2020 Omnibus Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum value of all awards awarded under the Plan \| $				$ 750,000
Scenario Two [Member] \| 2020 Omnibus Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum value of all awards awarded under the Plan \| $				$ 1,500,000