Stock-Based Compensation - Additional Information (Details) $ / shares in Units, $ in Millions	6 Months Ended
Mar. 31, 2021 USD ($) $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Nonqualified stock options unvested and outstanding	38,800
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share unvested and outstanding	334,687
Restricted Stock Units (RSUs) \| 2014 Long Term Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued	189,950
Weighted average grant date fair value of the restricted stock \| $ / shares	$ 6.96
Grant date fair value of restricted stock \| $	$ 1.3
Restricted stock restriction period	4 years
Restricted stock units vesting rights	Each RSU represents a contingent right to receive one share of the Company’s common stock upon vesting.
Unrecognized compensation expense \| $	$ 3.1
Expected period for recognition of unrecognized compensation expense	2 years 9 months 18 days
Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense \| $	$ 0.5
Expected period for recognition of unrecognized compensation expense	10 months 24 days
Share unvested and outstanding	48,847

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options grants in period grant date fair value.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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.

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Number of shares issued under share-based payment arrangement.

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- Definition

Number of non-vested options outstanding.

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