XML 64 R38.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Investments in Companies (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2015 USD ($) employee item | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) employee item | Sep. 30, 2014 USD ($) | Dec. 31, 2014 USD ($)
Summary of investments [Abstract] |  |  |  |  |
Income allocated to minority interests | $ 5,000 | $ 226,000 | $ 257,000 | $ 673,000 |
Equity investments classified as other assets | 14,721,000 |  | $ 14,721,000 |  | $ 14,975,000
Investments in unconsolidated privately-held entities, included in other assets |  |  |  |  | 200,000
Employee duration |  |  | 27 years |  |
AXT, Inc. Stockholders' Equity [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Gross equity earnings from minority-owned joint ventures that are not consolidated, recorded as other income | 805,000 | 1,759,000 | $ 3,546,000 | 6,485,000 |
Equity Method Investments [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Equity method investment by parent | $ 8,245,000 |  | $ 8,245,000 |  | 8,095,000
Number of equity investment entities | item | 3 |  | 3 |  |
Equity investments classified as other assets | $ 8,200,000 |  | $ 8,200,000 |  | 8,100,000
Gross equity earnings from minority-owned joint ventures that are not consolidated, recorded as other income | $ 167,000 | 390,000 | $ 777,000 | 1,500,000 |
Joint Ventures [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Number of consolidated joint ventures | item | 3 |  | 3 |  |
Income from three consolidated joint ventures | $ 500,000 | 1,100,000 | $ 1,700,000 | 2,900,000 |
Income allocated to minority interests | 5,000 | 226,000 | 257,000 | 673,000 |
Net income from joint ventures attributable to parent | 454,000 | $ 837,000 | 1,400,000 | $ 2,200,000 |
Minority investment in consolidated joint venture, included in other assets | 4,300,000 |  | 4,300,000 |  | 4,000,000
Majority-Owned Subsidiaries [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Investments, consolidated | $ 5,269,000 |  | $ 5,269,000 |  | 5,269,000
Beijing JiYa Semiconductor Material Co., Ltd [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Number of persons on board | employee | 5 |  | 5 |  |
Beijing JiYa Semiconductor Material Co., Ltd [Member] | Majority-Owned Subsidiaries [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Investments, consolidated | $ 3,331,000 |  | $ 3,331,000 |  | 3,331,000
Percentage of ownership, consolidated method (in hundredths) |  |  | 46.00% |  |
Nanjing Jin Mei Gallium Co., Ltd [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Number of new board representatives | employee |  |  | 2 |  |
Nanjing Jin Mei Gallium Co., Ltd [Member] | Majority-Owned Subsidiaries [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Investments, consolidated | 592,000 |  | $ 592,000 |  | 592,000
Percentage of ownership, consolidated method (in hundredths) |  |  | 83.00% |  |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Number of new board representatives | employee |  |  | 2 |  |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd [Member] | Majority-Owned Subsidiaries [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Investments, consolidated | 1,346,000 |  | $ 1,346,000 |  | 1,346,000
Percentage of ownership, consolidated method (in hundredths) |  |  | 70.00% |  |
Donghai County Dongfang High Purity Electronic Materials Co., Ltd [Member] | Equity Method Investments [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Equity method investment by parent | $ 1,557,000 |  | $ 1,557,000 |  | 1,723,000
Percentage of ownership, equity method (in hundredths) | 46.00% |  | 46.00% |  |
Xilingol Tongli Germanium Co. Ltd [Member] | Equity Method Investments [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Equity method investment by parent | $ 5,606,000 |  | $ 5,606,000 |  | 5,351,000
Percentage of ownership, equity method (in hundredths) | 25.00% |  | 25.00% |  |
Emeishan Jia Mei High Purity Metals Co., Ltd [Member] | Equity Method Investments [Member] |  |  |  |  |
Summary of investments [Abstract] |  |  |  |  |
Equity method investment by parent | $ 1,082,000 |  | $ 1,082,000 |  | $ 1,021,000
Percentage of ownership, equity method (in hundredths) | 25.00% |  | 25.00% |  |

X
- Definition Represents the duration an employee has worked for the entitiy + References No definition available. + Details
Name: | axti_EmployeeDuration
Namespace Prefix: | axti_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee excludes equity method investees invested by consolidated joint ventures. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References No definition available. + Details
Name: | axti_EquityMethodInvestmentByParent
Namespace Prefix: | axti_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of net income (loss) generated by joint ventures in which entity has investment. + References No definition available. + Details
Name: | axti_IncomeLossFromConsolidatedJointVentures
Namespace Prefix: | axti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total investments in (A) entities in which the entity has significant influence and control, (B) joint ventures that are consolidated, but (C) entities in which local management manage daily operations, (D) entities that not required additional investment of financial support from the parent entity. + References No definition available. + Details
Name: | axti_InvestmentsInJointVenturesConsolidated
Namespace Prefix: | axti_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents amount of net income (loss) generated by consolidated joint ventures attributable to parent after allocating the share of minority interest. + References No definition available. + Details
Name: | axti_NetIncomeLossFromJointVenturesAttributableToParent
Namespace Prefix: | axti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents number of joint ventures in which entity has interest and therefore has consolidated the figures as the date of reporting. + References No definition available. + Details
Name: | axti_NumberOfConsolidatedJointVentures
Namespace Prefix: | axti_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents number of equity investment entities to which the entity had made loan. + References No definition available. + Details
Name: | axti_NumberOfEquityInvestmentEntities
Namespace Prefix: | axti_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of new board representatives + References No definition available. + Details
Name: | axti_NumberOfNewBoardRepresentatives
Namespace Prefix: | axti_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of individuals on the board + References No definition available. + Details
Name: | axti_NumberOfPersonsOnBoard
Namespace Prefix: | axti_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | invest_InvestmentsScheduleAbstract
Namespace Prefix: | invest_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=29638308&loc=d3e40346-111594 + Details
Name: | us-gaap_CostMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of net income (loss) reported by an equity method investment of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721683-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(g)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33912-111571 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph bb -Article 1 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph w -Article 1 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph g -Subparagraph 1, 2 -Article 4 + Details
Name: | us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Carrying amount of the equity interests owned by noncontrolling shareholders, partners, or other equity holders in joint ventures included in the entity's consolidated financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4568740-111683 + Details
Name: | us-gaap_MinorityInterestInJointVentures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 + Details
Name: | us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherAssetsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=52262685&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_ParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_EquityMethodInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CorporateJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=axti_BeijingJiyaSemiconductorMaterialCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=axti_NanjingJinMeiGalliumCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=axti_BeijingBoyuSemiconductorVesselCraftworkTechnologyCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=axti_DonghaiCountyDongfangHighPurityElectronicMaterialsCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=axti_XilingolTongliGermaniumCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=axti_EmeishanJiaMeiHighPurityMetalsCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |