Liquidity (Details) (USD $)	3 Months Ended								12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents	$ 3,908,000				$ 3,408,000				$ 3,908,000	$ 3,408,000	$ 3,089,000
Net working capital	663,000								663,000
Accumulated deficit	(62,244,000)				(67,601,000)				(62,244,000)	(67,601,000)
Income before taxes	178,000	251,000	198,000	133,000	9,000	68,000	(109,000)	(128,000)	760,000	(159,000)
Operating income	205,000	268,000	225,000	66,000	173,000	158,000	9,000	(94,000)	764,000	248,000
Net income (loss)	4,775,000	251,000	198,000	133,000	9,000	68,000	(109,000)	(128,000)	5,357,000	(159,000)
Line of Credit Facility [Line Items]
Amount of unused availability under the line	2,540,000								2,540,000
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%				5.20%				4.00%	5.20%
Unbilled receivables
Line of Credit Facility [Line Items]
Maximum availability	1,000,000								1,000,000
Interest rate (percent)	4.00%				7.20%				4.00%	7.20%
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Amount of unused availability under the line	$ 1,400,000								$ 1,400,000