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Segment Information (Detail) - The Company’s sales by operating segment - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 111,482	$ 103,367
% of total	100.00%	100.00%
Americas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 69,982	$ 71,115
% of total	63.00%	69.00%
Europe [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 37,497	$ 27,960
% of total	34.00%	27.00%
Asia [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 4,003	$ 4,292
% of total	3.00%	4.00%
Systems Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 13,844	$ 16,342
% of total	12.00%	16.00%
Systems Segment [Member] | Americas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 10,340	$ 11,417
Systems Segment [Member] | Europe [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	1,437	1,584
Systems Segment [Member] | Asia [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	2,067	3,341
Service And System Integration [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 97,638	$ 87,025
% of total	88.00%	84.00%
Service And System Integration [Member] | Americas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 59,642	$ 59,698
Service And System Integration [Member] | Europe [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	36,060	26,376
Service And System Integration [Member] | Asia [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 1,936	$ 951

X

- Definition

Percent of total sales

+ References

No definition available.

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- 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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