Credit terms for trade receivables.

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- Definition

Extended credit terms for trade receivables.

+ References

No definition available.

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- Definition

Significant accounting policies line items.

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No definition available.

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- Definition

Unrecorded excess tax benefits in additional paid-in-capital account.

+ References

No definition available.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

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-Name Accounting Standards Codification
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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

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.

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Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

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- Definition

Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs.

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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Significant Accounting Policies [Line Items]
Minimum credit limit	30 days
Extended credit terms for trade receivables	60 days
Accounts receivable	$ 9,435,000	$ 15,392,000	$ 12,693,000		$ 8,327,000	$ 16,709,000	$ 13,819,000
Impairment charges	5,331,000	1,814,000
Shipping and handling costs	300,000	400,000	$ 600,000
Unrecorded excess tax benefits in additional paid-in-capital account	0
Scenario, Forecast
Significant Accounting Policies [Line Items]
Cumulative-effect adjustment to retained earnings				$ 100,000
Customer one
Significant Accounting Policies [Line Items]
Financing receivable	$ 8,100,000
Accounts receivable		$ 9,100,000
Customer Concentration Risk \| Customer one \| Sales Revenue, Net
Significant Accounting Policies [Line Items]
Percentage of company revenue	17.80%	18.50%
Customer Concentration Risk \| No customers \| Sales Revenue, Net
Significant Accounting Policies [Line Items]
Percentage of company revenue			10.00%