Number of warrants or rights vested during period.

No definition available.

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- Definition

Represents the expected proceeds from the transaction, required for the vesting of share-based payments.

+ References

No definition available.

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- Definition

Represents warrant contra revenue.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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- Definition

Face amount or stated value per share of common stock.

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- Definition

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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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

+ References

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Number of new stock issued during the period.

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Note 10 - Share-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands								3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2020	Jun. 29, 2020	Feb. 29, 2020	Jan. 01, 2020	May 31, 2019	May 17, 2019	Jan. 23, 2018	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2019	May 17, 2021
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01						$ 0.01	$ 0.01		$ 0.01
Warrant Contra Revenue								$ 161	$ 410	$ 991	$ 1,173
Share-based Payment Arrangement, Expense								341		932
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount								$ 1,115		$ 1,115
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)										1 year 7 months 28 days
Aegis Stockholder [Member] \| The 2019 Equity Offering [Member]
Sale of Stock, Number of Shares Issued in Transaction (in shares)						692,520
Sale of Stock, Price Per Share (in dollars per share)						$ 7.48
CSP Victory Limited [Member]
Sale of Stock, Price Per Share (in dollars per share)		$ 4.87
Stock Issued During Period, Shares, New Issues (in shares)		1,540,041
Amazon Transaction Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)		4,006,051					4,000,000					4,002,964	4,002,964
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)		$ 9.94				$ 9.95	$ 9.96
Class of Warrant or Right, Vested During Period (in shares)	213,162		212,953		212,766		425,532
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Expected Proceeds from Transaction Required for Vesting							$ 600,000
Warrant Contra Revenue	$ 1,257		$ 278		$ 730							$ 565
Amazon Transaction Agreement [Member] \| Accounting Standards Update 2019-08 [Member]
Warrant Contra Revenue				$ (413)