Liquidity (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2014	Sep. 30, 2013
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents	$ 4,738,000	$ 3,841,000	$ 4,738,000	$ 3,841,000	$ 3,908,000	$ 3,408,000
Net working capital	1,600,000		1,600,000
Accumulated deficit	(61,755,000)		(61,755,000)		$ (62,244,000)
Operating income	763,000	268,000	1,538,000	559,000
Net income	437,000	$ 251,000	489,000	$ 582,000
Line of Credit Facility [Line Items]
Amount of unused availability under the line	2,500,000		2,500,000
Line of Credit [Member]
Line of Credit Facility [Line Items]
Maximum availability	6,000,000		6,000,000
Amount of unused availability under the line	1,100,000		1,100,000
Accounts receivables
Line of Credit Facility [Line Items]
Maximum availability	$ 3,000,000		$ 3,000,000
Interest rate (percent)	4.00%		4.00%
Unbilled receivables
Line of Credit Facility [Line Items]
Interest rate (percent)	4.00%		4.00%		4.00%
Letter of Credit
Line of Credit Facility [Line Items]
Amount of unused availability under the line	$ 1,400,000		$ 1,400,000