XML 50 R38.htm IDEA: XBRL DOCUMENT v3.7.0.1

Commitments and Contingencies - Additional Information (Detail) € in Thousands, £ in Thousands, $ in Millions	Jul. 20, 2016 patent	Sep. 08, 2014 complaint	May 16, 2014 patent	Mar. 31, 2017 EUR (€) ft²	Mar. 31, 2017 USD ($) ft²	Mar. 31, 2017 GBP (£) ft²
Loss Contingencies [Line Items]
Annual base rent					$ 0.6
Tenant improvement allowances					0.3
Unamortized lease incentives					0.3
IDchecker
Loss Contingencies [Line Items]
Annual base rent | €				€ 48
Other current liabilities
Loss Contingencies [Line Items]
Unamortized lease incentives					0.1
Other non-current liabilities
Loss Contingencies [Line Items]
Unamortized lease incentives					$ 0.2
Building
Loss Contingencies [Line Items]
Amended office space subject to the lease (in square feet) | ft²				28,354	28,354	28,354
Sales Office
Loss Contingencies [Line Items]
Annual base rent | £						£ 65
RMII Patent Infringement Case
Loss Contingencies [Line Items]
Number of patents allegedly infringed (in patents) | patent			4
Number of additional claims filed (in complaints) | complaint		3
Number of patents not found to be infringed upon (in patents) | patent	4

X

- Definition

Amount of annual base rent of leased assets, including but not limited to, offices and other facilities.

+ References

No definition available.

+ Details

Name:	mitk_AnnualBaseRent
Namespace Prefix:	mitk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Unamortized lease incentives.

+ References

No definition available.

+ Details

Name:	mitk_UnamortizedLeaseIncentives
Namespace Prefix:	mitk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

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_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of another entity's patents that the entity has allegedly infringed.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingencyPatentsAllegedlyInfringedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of another entity's patents that the entity was found not to have infringed.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingencyPatentsFoundNotInfringedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_TenantImprovements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mitk_IDCheckerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorPropertyClassAxis=us-gaap_BuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MajorPropertyClassAxis=mitk_SalesOfficeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LitigationCaseAxis=mitk_RothschildMobileImagingInnovationsInc.PatentInfringementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: