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Segment Information (Detail) - The Company’s sales by operating segment - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 72,916	$ 88,492
% of total	100.00%	100.00%
Americas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 60,458	$ 69,982
% of total	83.00%	79.00%
Europe [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 10,325	$ 14,507
% of total	14.00%	16.00%
Asia [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 2,133	$ 4,003
% of total	2.00%	5.00%
Systems Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 10,479	$ 13,844
% of total	14.00%	16.00%
Systems Segment [Member] | Americas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 8,424	$ 10,340
Systems Segment [Member] | Europe [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	1,266	1,437
Systems Segment [Member] | Asia [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	789	2,067
Service And System Integration [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 62,437	$ 74,648
% of total	86.00%	84.00%
Service And System Integration [Member] | Americas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 52,034	$ 59,642
Service And System Integration [Member] | Europe [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	9,059	13,070
Service And System Integration [Member] | Asia [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 1,344	$ 1,936

X

- Definition

Percent of total sales

+ References

No definition available.

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X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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