Segment Information (Detail) - The following table presents certain operating segment information. (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Sales:
Product	$ 65,844	$ 59,583
Service	21,775	25,224
Total sales	87,619	84,807
Profit from operations	701	4,969
Assets	47,225	51,066
Capital expenditures	858	551
Depreciation and amortization	520	460
Systems
Sales:
Product	5,483	4,214
Service	1,517	6,927
Total sales	7,000	11,141
Profit from operations	(1,603)	3,230
Assets	15,377	18,451
Capital expenditures	340	222
Depreciation and amortization	155	111
Germany [Member]
Sales:
Product	8,666	16,846
Service	14,975	13,730
Total sales	23,641	30,576
Profit from operations	154	598
Assets	13,094	14,058
Capital expenditures	232	197
Depreciation and amortization	183	167
UK [Member]
Sales:
Product	581	1,484
Service	1,409	1,434
Total sales	1,990	2,918
Profit from operations	(141)	57
Assets	3,170	3,504
Capital expenditures	8	27
Depreciation and amortization	13	26
U.S.
Sales:
Product	51,114	37,039
Service	3,874	3,133
Total sales	54,988	40,172
Profit from operations	2,291	1,084
Assets	15,584	15,053
Capital expenditures	278	105
Depreciation and amortization	169	156
Total Service and System Integration Segment [Member]
Sales:
Product	60,361	55,369
Service	20,258	18,297
Total sales	80,619	73,666
Profit from operations	2,304	1,739
Assets	31,848	32,615
Capital expenditures	518	329
Depreciation and amortization	$ 365	$ 349