SHAREHOLDERS' EQUITY: (Tables)

12 Months Ended

Sep. 30, 2013

Stockholders' Equity Note [Abstract]

Summary of the activity in various stock option plans

The following table summarizes the activity in DLH's various stock option plans for the years ended September 30, 2013 and 2012:

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Pretax Intrinsic Value
Options outstanding, September 30, 2011	1,537,500		$	1.19	9.3	$	743,745
Granted	275,000		1.39
Exercised	—		—
Canceled	(450,000	)	1.34
Options outstanding, September 30, 2012	1,362,500		1.19		8.6	$	140,000
Granted	250,000		0.95
Exercised	—		—
Canceled	—		—
Options outstanding, September 30, 2013	1,612,500		$	1.15	7.9	$	387,500

Schedule of weighted average assumptions used in the valuation of all option awards

Weighted average assumptions used in the valuation of all option awards were as follows:

	2013	2012
Risk free interest rate	0.69%	0.62%
Contractual lives	10 years	10 years
Dividend yield	—%	—%
Expected lives (in years)	10 years	10 years
Expected volatility	70.2%	70.3%
Fair Value per Option	$0.22	$0.17

Summary of activity in restricted stock

A summary of activity in restricted stock is as follows:

	Number Of Shares		Weighted Average Grant-Date Fair Value
Restricted stock outstanding, September 30, 2012	52,500		$2.85
Granted	52,500		$1.03
Issued	(52,500	)	$1.03
Canceled	—		—
Restricted stock outstanding, September 30, 2013	52,500		$2.85