18.   Share-Based Compensation

The following table summarizes the components of share-based compensation expense in the condensed consolidated statements of operations (in thousands):

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In addition, share-based compensation expense included in loss from discontinued operations totaled approximately $96,000 and $101,000 for the three months ended September 30, 2022 and 2021, respectively.

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Stock Options

iBio, Inc. 2020 Omnibus Equity Incentive Plan (the “2020 Plan”)

On December 9, 2020, the Company adopted the 2020 Plan for employees, officers, directors and external service providers. The total number of shares of Common Stock reserved under the 2020 Plan is 32 million shares of Common Stock for issuance pursuant to the grant of new awards under the 2020 Plan. The 2020 Plan allows for the award of stock options, stock appreciation rights, restricted stock, restricted stock units, unrestricted stock, cash-based awards, and dividend equivalent rights. The value of all awards awarded under the 2020 Plan and all other cash compensation paid by the Company to any non-employee director in any calendar year may not exceed $500,000; provided, however, that such amount shall be $750,000 for the calendar year in which the applicable non-employee director is initially elected or appointed to the Board of Directors and $1,500,000 for any non-executive chair of our Board of Directors should one be appointed. Notwithstanding the foregoing, the independent members of the Board of Directors may make exceptions to such limits in extraordinary circumstances. The term of the 2020 Plan will expire on the tenth anniversary of the date the Plan is approved by the stockholders.

Vesting of service awards are determined by the Board of Directors and stated in the award agreements. In general, vesting occurs ratably on the anniversary of the grant date over the service period, generally three or five years, as determined at the time of grant. Vesting of performance awards occurs when the performance criteria is satisfied. The Company uses historical data to estimate forfeiture rates.

Stock options issued

During the first quarter of Fiscal 2023, the Company granted stock option agreements to various employees to purchase 303,869 shares of the Company's common stock at exercise prices between $6.75 and $9.50 per share. The options vest 25% after one year and then in equal quarterly installments over a 36-month period and expire on the tenth anniversary of the grant date.

The Company estimated the fair value of options granted using the Black-Scholes option pricing model with the following assumptions:

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RSUs

On August 29, 2022, the Company issued RSUs to acquire 6,954 shares of common stock to various employees at a market value of $7.06 per share.  The RSU’s vest over a four-year period. The grant-date fair value of the RSUs totaled approximately $49,000.