Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and 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(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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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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Nature of Operations and Summary of Significant Accounting Policies - Revenues and Long-Term Assets Information Concerning Principal Geographic Areas (Detail) - USD ($)	3 Months Ended								12 Months Ended
	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Net revenues	$ 18,556,000	$ 23,743,000	$ 22,526,000	$ 15,783,000	$ 14,792,000	$ 19,863,000	$ 22,078,000	$ 13,258,000	$ 80,608,000	$ 69,991,000	$ 39,230,000
Long-Term Assets	5,775,000				5,292,000				5,775,000	5,292,000	7,778,000
United States [Member]
Segment Reporting Information [Line Items]
Net revenues									80,608,000	69,991,000	39,230,000
Long-Term Assets	$ 5,775,000				$ 5,292,000				$ 5,775,000	$ 5,292,000	$ 7,778,000