Segment Information (Detail) - The following table presents certain operating segment information. - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Sales:
Product	$ 66,447	$ 58,877
Service	22,859	25,742
Total sales	89,306	84,619
Profit (loss) from operations	226	1,683
Assets	46,996	46,307
Capital expenditures	724	590
Depreciation and amortization	646	634
HPP
Sales:
Product	9,894	9,151
Service	4,054	5,384
Total sales	13,948	14,535
Profit (loss) from operations	485	1,352
Assets	16,668	16,966
Capital expenditures	156	216
Depreciation and amortization	247	225
Germany [Member]
Sales:
Product	7,808	9,273
Service	15,043	15,790
Total sales	22,851	25,063
Profit (loss) from operations	549	466
Assets	14,557	13,499
Capital expenditures	216	211
Depreciation and amortization	172	185
UK [Member]
Sales:
Product	4,025	2,131
Service	1,114	1,299
Total sales	5,139	3,430
Profit (loss) from operations	(817)	(187)
Assets	2,720	3,464
Capital expenditures	3	90
Depreciation and amortization	34	32
U.S.
Sales:
Product	44,720	38,322
Service	2,648	3,269
Total sales	47,368	41,591
Profit (loss) from operations	9	52
Assets	13,051	12,378
Capital expenditures	349	73
Depreciation and amortization	193	192
Total Service and System Integration Segment [Member]
Sales:
Product	56,553	49,726
Service	18,805	20,358
Total sales	75,358	70,084
Profit (loss) from operations	(259)	331
Assets	30,328	29,341
Capital expenditures	568	374
Depreciation and amortization	$ 399	$ 409