XML 90 R74.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Cross Medical - Additional Information (Detail) - Cross Medical Products, LLC vs. Alphatec Spine, Inc. [Member] $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 02, 2012 USD ($) | Jan. 31, 2012 USD ($) | Jan. 31, 2011 Installment | Dec. 31, 2015 USD ($)
Guarantees And Letters Of Credit [Line Items] |  |  |  |
Contractual obligations |  | $ 5 |  | $ 3
Number of quarterly payments | Installment |  |  | 13 |
Litigation settlement, quarterly installments, amount | $ 1 |  |  |

X
- Definition Guarantees And Letters Of Credit [Line Items] + References No definition available. + Details
Name: | atec_GuaranteesAndLettersOfCreditLineItems
Namespace Prefix: | atec_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Litigation Settlement, Quarterly Installments, Amount + References No definition available. + Details
Name: | atec_LitigationSettlementQuarterlyInstallmentsAmount
Namespace Prefix: | atec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of Installment Payments + References No definition available. + Details
Name: | atec_NumberofInstallmentPayments
Namespace Prefix: | atec_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForLegalSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_LitigationCaseAxis=atec_CrossMedicalProductsLLCvs.AlphatecSpineInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |