XML 65 R54.htm IDEA: XBRL DOCUMENT
v3.22.2

Stock-Based Compensation - Performance Shares (Details) - Performance Shares - USD ($) $ / shares in Units, shares in Thousands, $ in Millions |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 14, 2022 | Feb. 15, 2022 | Feb. 17, 2021 | Feb. 28, 2022 | Feb. 28, 2021 | Dec. 31, 2021 | Jun. 30, 2022
Shares [Roll Forward] |  |  |  |  |  |  |
Non-vested, beginning of period (in shares) |  |  |  |  |  |  | 114
Granted (in shares) |  |  |  |  |  |  | 74
Non-vested, end of period (in shares) |  |  |  |  |  | 114 | 188
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Non-vested, beginning of period (in dollars per share) |  |  |  |  |  |  | $ 15.37
Granted (in dollars per share) |  |  |  |  |  |  | 10.91
Non-vested, end of period (in dollars per share) |  |  |  |  |  | $ 15.37 | $ 12.42
Weighted-average grant date fair value of stock options granted (in dollars per share) |  |  |  | $ 7.83 | $ 15.37 |  |
Percentage of year-over-year annual revenue growth rate | 44.00% |  |  |  |  |  |
Percentage of targeted financial performance |  |  |  |  |  | 25.00% | 150.00%
Unrecognized compensation expense related to restricted stock awards |  |  |  |  |  |  | $ 1.2
Weighted average remaining contractual terms |  |  |  |  |  |  | 1 year 7 months 6 days
Minimum | Scenario Performance Financial Metric Less Than 50% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Percentage of targeted financial performance |  | 50.00% |  |  |  |  |
Minimum | Scenario Performance Financial Metric is Between 50% to 200% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Percentage of targeted financial performance |  | 50.00% |  |  |  |  |
Maximum | Scenario Performance Financial Metric is Between 50% to 200% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Percentage of targeted financial performance |  | 200.00% |  |  |  |  |
Maximum | Scenario Performance Financial Metric Greater Than 200% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Percentage of targeted financial performance |  | 200.00% |  |  |  |  |
First Anniversary |  |  |  |  |  |  |
Shares [Roll Forward] |  |  |  |  |  |  |
Vested (in shares) |  |  |  |  |  |  | 0
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  | 4 years
Chief Executive Officer |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Stock options grants in period |  |  | 113,130 |  |  |  |
Chief Executive Officer | Scenario Performance Financial Metric Less Than 50% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Stock options grants in period |  | 114,320 |  |  |  |  |
Chief Executive Officer | Scenario Performance Financial Metric is Between 50% to 200% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Stock options grants in period |  | 114,320 |  |  |  |  |
Chief Executive Officer | Scenario Performance Financial Metric Greater Than 200% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Stock options grants in period |  | 114,320 |  |  |  |  |
Chief Financial Officer |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Stock options grants in period |  |  | 38,475 |  |  |  |
Chief Financial Officer | Scenario Performance Financial Metric Less Than 50% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Stock options grants in period |  | 32,100 |  |  |  |  |
Chief Financial Officer | Scenario Performance Financial Metric is Between 50% to 200% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Stock options grants in period |  | 32,100 |  |  |  |  |
Chief Financial Officer | Scenario Performance Financial Metric Greater Than 200% |  |  |  |  |  |  |
Weighted Average Grant Date Fair Value [Roll Forward] |  |  |  |  |  |  |
Stock options grants in period |  | 32,100 |  |  |  |  |

X
- Definition The percentage of year-over-year annual revenue growth rate. + References No definition available. + Details
Name: | axti_AnnualRevenueGrowthRatePercentage
Namespace Prefix: | axti_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of targeted financial performance + References No definition available. + Details
Name: | axti_PercentageOfTargetedFinancialPerformance
Namespace Prefix: | axti_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + 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
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average remaining contractual term for equity-based awards excluding 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net number of share options (or share units) granted during the period. + 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)(iv)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=axti_ScenarioPerformanceFinancialMetricLessThan50Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=axti_ScenarioPerformanceFinancialMetricIsBetween50To200Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=axti_ScenarioPerformanceFinancialMetricGreaterThan200Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |