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Major Customers and Foreign Sales (Details) - Customer	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Revenue, Major Customer [Line Items]
Revenue, number of major customers	1	2
Revenues, percentage	100.00%	100.00%
United States
Revenue, Major Customer [Line Items]
Revenues, percentage	28.00%	23.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	3.00%	0.00%
Total North America
Revenue, Major Customer [Line Items]
Revenues, percentage	31.00%	23.00%
China
Revenue, Major Customer [Line Items]
Revenues, percentage	20.00%	26.00%
Taiwan
Revenue, Major Customer [Line Items]
Revenues, percentage	13.00%	19.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	21.00%	6.00%
Total Asia
Revenue, Major Customer [Line Items]
Revenues, percentage	54.00%	51.00%
Germany
Revenue, Major Customer [Line Items]
Revenues, percentage	2.00%	10.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	13.00%	16.00%
Total Europe
Revenue, Major Customer [Line Items]
Revenues, percentage	15.00%	26.00%
Net Revenues | Customer Concentration Risk | Customer Number One
Revenue, Major Customer [Line Items]
Concentration risk, percentage	14.00%	12.00%
Net Revenues | Customer Concentration Risk | Customer Number Two
Revenue, Major Customer [Line Items]
Concentration risk, percentage		11.00%

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- Definition

Entity-Wide Revenue, Major Customer, Number

+ References

No definition available.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611

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