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NASDAQ STAFF DEFICIENCY LETTER (Details) (USD $) | 0 Months Ended
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Dec. 31, 2012
NASDAQ STAFF DEFICIENCY LETTER: |
Number of consecutive business days of non-compliance with the Listing Rule | 30 days
Required minimum bid price under Listing Rule (in dollars per share) | $ 1.00
Number of grace days provided to regain compliance with Listing Rules | 180 days

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- Definition Represents the minimum bid price requirement for continued listing on The Nasdaq Capital Market , as required by the Listing Rule. + References No definition available. + Details
Name: | dlhc_ListingRuleMinimumSharePriceRequirement
Namespace Prefix: | dlhc_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | dlhc_NasdaqStaffDeficiencyLetterAbstract
Namespace Prefix: | dlhc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of consecutive business days for which the entity was not in compliance with the Listing Rule of the Nasdaq Stock Market (Nasdaq). + References No definition available. + Details
Name: | dlhc_NumberOfConsecutiveBusinessDaysOfNoncomplianceWithListingRule
Namespace Prefix: | dlhc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of grace days provided to the entity to regain compliance with Listing Rule of the Nasdaq Stock Market (Nasdaq). + References No definition available. + Details
Name: | dlhc_NumberOfGraceDaysProvidedToRegainComplianceWithListingRule
Namespace Prefix: | dlhc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration