Number of warrants issued in exchanged of common stock during the period.

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The annual value of grants made 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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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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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.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made 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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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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No definition available.

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Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.

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Note 9 - Stockholders' Equity (Details Textual) - USD ($)			3 Months Ended		12 Months Ended
	Jan. 03, 2022	Aug. 17, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2013	Dec. 31, 2021	Apr. 08, 2021	May 21, 2020
Common Stock, Shares Authorized (in shares)			100,000,000			100,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)			$ 0.001			$ 0.001	$ 0.001
Common Stock, Shares, Issued (in shares)			21,352,688	21,697,373		21,285,706
Preferred Stock, Shares Authorized (in shares)			2,500,000			2,500,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)			$ 0.001			$ 0.001
Preferred Stock, Shares Issued, Total (in shares)			0			0
Stock Issued During Period, Value, Issued for Services				$ 0
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)								515,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)								$ 5.00
Class of Warrant or Right, Issued by Exchange, Shares (in shares)		500,000	0	0
Common Stock, Shares, Outstanding, Ending Balance (in shares)			21,352,688	21,697,373		21,285,706
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares)			561,862			149,636
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			479,208
Share-Based Payment Arrangement, Expense			$ 178,778	$ 102,388
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount			$ 1,949,981
Prefunded Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)		$ 0.001
Director [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)	18,641
Stock Issued During Period, Value, Issued for Services	$ 140,000
Director [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					25,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Annual Grant					$ 36,750
Management [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)	48,341
Stock Issued During Period, Value, Issued for Services	$ 299,196
Management [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			454,249
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)			3 years
Board of Directors Chairman [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Annual Grant					$ 73,500
Convertible Preferred Stock [Member]
Preferred Stock, Shares Issued, Total (in shares)			0