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Equity and Stock-Based Compensation - Additional Information (Details) - USD ($)			3 Months Ended			6 Months Ended
	Feb. 10, 2020	Nov. 29, 2018	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Equity [Abstract]
Stock-based compensation expense			$ 100,000		$ 200,000	$ 133,000	$ 363,000
Authorized stock repurchase amount	$ 4,000,000	$ 4,000,000
Common stock, par value		$ 0.01	$ 0.01			$ 0.01		$ 0.01
Stock repurchase program period	1 year	1 year
Shares repurchased and retired during the period			366,000	0
Total cost of shares repurchased and retired			$ 2,000,000
Average price per share of shares repurchased			$ 5.46
Remaining authorized amount available for repurchase			$ 2,000,000			$ 2,000,000

X

- Definition

Face amount or stated value per share of common stock.

+ References

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-Publisher FASB
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-SubTopic 10
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- Definition

Amount of noncash expense for share-based payment arrangement.

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Amount of stock repurchase plan authorized.

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Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount remaining of a stock repurchase plan authorized.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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