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Share-based Compensation - Additional Information (Detail) | 6 Months Ended |
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Dec. 31, 2021 USD ($) shares | May 31, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrecognized compensation expense related to unvested stock options | $ | $ 10,900 |
Expected weighted average period for recognition of compensation expense | 1 year 8 months 12 days |
Employee Stock Option | Directors |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based compensation arrangement by share-based payment award, award vesting period | 12 months |
Share-based compensation arrangement by share-based payment award, expiration period | 10 years |
Employee Stock Option | Employees |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock option vested percentage | 25.00% |
Share-based compensation arrangement by share-based payment award, award vesting period | 36 months |
Share-based compensation arrangement by share-based payment award, expiration period | 10 years |
Restricted Stock Units (RSUs) |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrecognized compensation expense related to unvested stock options | $ | $ 200,000 |
Expected weighted average period for recognition of compensation expense | 6 months |
Number of common stock to be received for each RSUs | 1 |
Vested | (130,000) |
Common stock issued | 63,855,000 |
Shares withheld for tax withholding | 66,145,000 |
Number of shares for each unit of restricted stock | 1.25 |
2008 Omnibus Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Common stock authorized | 29,014,794,000 |
Shares available for future grant | 7,748,157,000 |
Inducement Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Common stock authorized |  | 2,500,000,000
Shares available for future grant | 1,318,000,000 |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition 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. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Percentage of vesting of award under 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 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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