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Stockholders' Equity (Details 6)	Sep. 30, 2012
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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- Details

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Namespace Prefix:	mitk_
Data Type:	xbrli:stringItemType
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