XML 98 R81.htm IDEA: XBRL DOCUMENT
v3.20.2

Share-based Compensation - Stock Options Outstanding and Exercisable (Details) | 12 Months Ended
--- | ---
Jun. 30, 2020 $ / shares shares
Price Range $7.21 - 7.21 [Member] |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number Outstanding (in shares) | shares | 6,875
Weighted-Average Remaining Contractual Life (Years) | 3 years 6 months 29 days
Weighted-Average Exercise Price (in dollars per share) | $ 7.21
Number Exercisable (in shares) | shares | 6,875
Weighted-Average Exercise Price (in dollars per share) | $ 7.21
Exercise price, lower range limit (in dollars per share) | 7.21
Exercise price, upper range limit (in dollars per share) | $ 7.21
Price Range $7.44 - 7.44 [Member] |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number Outstanding (in shares) | shares | 331,139
Weighted-Average Remaining Contractual Life (Years) | 3 years 8 months 15 days
Weighted-Average Exercise Price (in dollars per share) | $ 7.44
Number Exercisable (in shares) | shares | 331,139
Weighted-Average Exercise Price (in dollars per share) | $ 7.44
Exercise price, lower range limit (in dollars per share) | 7.44
Exercise price, upper range limit (in dollars per share) | $ 7.44
Price Range $7.56 - 9.90 [Member] |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number Outstanding (in shares) | shares | 132,150
Weighted-Average Remaining Contractual Life (Years) | 3 years 1 month 20 days
Weighted-Average Exercise Price (in dollars per share) | $ 8.47
Number Exercisable (in shares) | shares | 132,150
Weighted-Average Exercise Price (in dollars per share) | $ 8.47
Exercise price, lower range limit (in dollars per share) | 7.56
Exercise price, upper range limit (in dollars per share) | $ 9.19
Price Range $10.50 - 15.00 [Member] |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number Outstanding (in shares) | shares | 168,000
Weighted-Average Remaining Contractual Life (Years) | 1 year 1 month 9 days
Weighted-Average Exercise Price (in dollars per share) | $ 11.64
Number Exercisable (in shares) | shares | 168,000
Weighted-Average Exercise Price (in dollars per share) | $ 11.64
Exercise price, lower range limit (in dollars per share) | 9.90
Exercise price, upper range limit (in dollars per share) | $ 12.68
Price Range $17.90 - $18.00 (Member) |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number Outstanding (in shares) | shares | 5,814
Weighted-Average Remaining Contractual Life (Years) | 9 months 14 days
Weighted-Average Exercise Price (in dollars per share) | $ 12.91
Number Exercisable (in shares) | shares | 5,814
Weighted-Average Exercise Price (in dollars per share) | $ 12.91
Exercise price, lower range limit (in dollars per share) | 12.91
Exercise price, upper range limit (in dollars per share) | $ 12.91
Price Range $7.21 - 18.00 Member |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number Outstanding (in shares) | shares | 643,978
Weighted-Average Remaining Contractual Life (Years) | 2 years 10 months 20 days
Weighted-Average Exercise Price (in dollars per share) | $ 8.79
Number Exercisable (in shares) | shares | 643,978
Weighted-Average Exercise Price (in dollars per share) | $ 8.79
Exercise price, lower range limit (in dollars per share) | 7.21
Exercise price, upper range limit (in dollars per share) | $ 12.91

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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 (c)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=aosl_PriceRange1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=aosl_PriceRange2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=aosl_PriceRange3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=aosl_PriceRange4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=aosl_PriceRange5Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=aosl_PriceRange6Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |