Amount of increase (decrease) in assets pledged to secure a debt instrument.

No definition available.

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- Definition

The aggregate sales price value under equity offering sales agreement.

+ References

No definition available.

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- Definition

Represents the cash inflow from the issuance of common stock, net of offering costs.

+ References

No definition available.

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- Definition

Amount of assets pledged to secure a debt instrument.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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- Definition

Number of new stock issued during the period.

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Note 1 - Nature of Operations (Details Textual) - USD ($)	Nov. 04, 2021	Feb. 04, 2021	Jan. 28, 2021	Nov. 09, 2021	Sep. 30, 2021
Stock Issued During Period, Shares, New Issues (in shares)		2,530,000
Equity Offering Sales Agreement, Aggregate Sales Price Value				$ 50,000,000.0
The 2021 Offering [Member] \| Lake Street Capital Markets, LLC and Northland Securities, Inc. [Member]
Proceeds from Issuance of Common Stock, Net		$ 27,600,000
The 2021 Offering [Member] \| Lake Street Capital Markets, LLC and Northland Securities, Inc. [Member] \| Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)		2,530,000
Revolving Credit Facility [Member]
Debt Instrument, Collateral Amount	$ 3,000,000		$ 750,000		$ 1,500,000
Line of Credit Facility, Commitment Fee Percentage			5.00%
Debt Instrument, Increase (Decrease) in Collateral Amount	$ 1,500,000