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SUBSEQUENT EVENTS: (Details) (Subsequent Event, USD $) | 0 Months Ended
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May 03, 2013
Subsequent Event |
SUBSEQUENT EVENTS: |
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
Grace period for NASDAQ Listing Rule compliance | 180 days
Minimum number of consecutive business days of bid price required during the grace period | 10 days

X
- Definition This element represents the grace period granted by a stock exchange, (i.e. NASDAQ, NYSE, etc.) granted to allow a reporting entity to satisfy a requirement necessary to be listed with the specific stock exchange. + References No definition available. + Details
Name: | dlhc_ListingRuleComplianceGracePeriod
Namespace Prefix: | dlhc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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

X
- Definition This element represents the minimum number of consecutive business days during which the closing bid price of a reporting entitty must be equal to or greater than a required per share amount during a defined grace period. + References No definition available. + Details
Name: | dlhc_MinimumNumberOfConsecutiveBusinessDaysOfBidPriceRequirementDuringGracePeriod
Namespace Prefix: | dlhc_
Data Type: | xbrli:durationItemType
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
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration