Segment Information (Detail) - The following table presents certain operating segment information. (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013
Sales:
Product	$ 58,877us-gaap_SalesRevenueGoodsNet	$ 65,844us-gaap_SalesRevenueGoodsNet
Service	25,742us-gaap_SalesRevenueServicesNet	21,775us-gaap_SalesRevenueServicesNet
Total sales	84,619us-gaap_SalesRevenueNet	87,619us-gaap_SalesRevenueNet
Profit (loss) from operations	1,683us-gaap_OperatingIncomeLoss	701us-gaap_OperatingIncomeLoss
Assets	46,307us-gaap_Assets	47,225us-gaap_Assets
Capital expenditures	590	858
Depreciation and amortization	634us-gaap_DepreciationAndAmortization	520us-gaap_DepreciationAndAmortization
HPPS
Sales:
Product	9,151	5,483
Service	5,384	1,517
Total sales	14,535	7,000
Profit (loss) from operations	1,352	(1,603)
Assets	16,966	15,377
Capital expenditures	216	340
Depreciation and amortization	225	155
Germany [Member]
Sales:
Product	9,273	8,666
Service	15,790	14,975
Total sales	25,063	23,641
Profit (loss) from operations	466	154
Assets	13,499	13,094
Capital expenditures	211	232
Depreciation and amortization	185	183
UK [Member]
Sales:
Product	2,131	581
Service	1,299	1,409
Total sales	3,430	1,990
Profit (loss) from operations	(187)	(141)
Assets	3,464	3,170
Capital expenditures	90	8
Depreciation and amortization	32	13
U.S.
Sales:
Product	38,322	51,114
Service	3,269	3,874
Total sales	41,591	54,988
Profit (loss) from operations	52	2,291
Assets	12,378	15,584
Capital expenditures	73	278
Depreciation and amortization	192	169
Total Service and System Integration Segment [Member]
Sales:
Product	49,726	60,361
Service	20,358	20,258
Total sales	70,084	80,619
Profit (loss) from operations	331	2,304
Assets	29,341	31,848
Capital expenditures	374	518
Depreciation and amortization	$ 409	$ 365

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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