NASDAQ NONCOMPLIANCE: (Details) (USD $)	0 Months Ended
May 03, 2013
Nasdaq Noncompliance [Abstract]
Number of consecutive business days of noncompliance with listing rule (days)	30 days
Listing rule minimum share price requirement (dollars per share)	$ 1.00
Listing rule compliance grace period (days)	180 days
Minimum number of consecutive business days of bid price requirement during grace period (days)	10 days

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.

No definition available.

Name:	dlhc_MinimumNumberOfConsecutiveBusinessDaysOfBidPriceRequirementDuringGracePeriod
Namespace Prefix:	dlhc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration