Stock-based Compensation, Equity Grants, and Warrants - Stock-based Compensation Expense (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total compensation expense	$ 78	$ 43	$ 372	$ 168
Total unrecognized expense	346		346		281
DLH Employees
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total unrecognized expense	196		196		131
Non-employee Directors
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total unrecognized expense	150		150		150
Selling, General and Administrative Expenses | DLH Employees
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total compensation expense	78	40	263	105
Selling, General and Administrative Expenses | Non-employee Directors
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total compensation expense	0	0	109	54
Selling, General and Administrative Expenses | Consultants
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total compensation expense	$ 0	$ 3	$ 0	$ 9