Acquisition - Pro Forma (Details) (BTU International, Inc (BTU) Merger, USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
BTU International, Inc (BTU) Merger
Business Acquisition [Line Items]
Revenue, net	$ 26,061	$ 24,402	$ 52,972	$ 50,166
Net loss	$ (4,252)	$ (5,301)	$ (9,369)	$ (15,222)
Basic (in dollars per share)	$ (0.33)	$ (0.41)	$ (0.72)	$ (1.19)
Diluted (in dollars per share)	$ (0.33)	$ (0.41)	$ (0.72)	$ (1.19)

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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