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Stockholders' Equity (Details 6) | Sep. 30, 2012
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Number of stock options outstanding under prior plans |
Options outstanding | 2,389,286
2000 Stock Option Plan [Member] |
Number of stock options outstanding under prior plans |
Options outstanding | 317,812
2002 Stock Option Plan [Member] |
Number of stock options outstanding under prior plans |
Options outstanding | 255,663
2006 Stock Option Plan [Member] |
Number of stock options outstanding under prior plans |
Options outstanding | 405,490
2010 Stock Option Plan [Member] |
Number of stock options outstanding under prior plans |
Options outstanding | 1,410,321

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- Definition Share based compensation arrangement by share based payment award options outstanding under prior plans number. + References No definition available. + Details
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Namespace Prefix: | mitk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: | mitk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration