Gross proceeds from registered sale equity securities.

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- Definition

Underwriting discounts and offering expenses from sale of equity.

+ References

No definition available.

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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- Definition

The amount of cash paid for commissions during the current period.

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-Name Accounting Standards Codification
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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 14
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- Definition

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

+ References

No definition available.

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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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- Definition

Amount of noncash expense for share-based payment arrangement.

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- Definition

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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- Definition

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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- Definition

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).

+ References

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-Paragraph 2
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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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-Topic 718
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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

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Stockholders’ Equity and Stock-Based Compensation (Details Narrative) - USD ($)				1 Months Ended	3 Months Ended			12 Months Ended
	Mar. 05, 2021	Apr. 10, 2019	Mar. 15, 2019	Dec. 31, 2020	Sep. 25, 2021	Jun. 26, 2021	Mar. 27, 2021	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Subsidiary, Sale of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction		700,000	7,300,000
Gross proceeds from registered sale equity securities		$ 800,000	$ 8,000,000.0
Shares Issued, Price Per Share		$ 1.10	$ 1.10
Underwriting discounts and offering expenses from sale of equity		$ 100,000	$ 700,000
Percentage of common stock outstanding		0.80%	8.90%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period								2,247,343	2,381,000
Share-based Payment Arrangement, Noncash Expense								$ 4,417,422	$ 821,122	$ 2,057,400
Unrecognized compensation expense								$ 3,700,000
Employment Agreement [Member] \| Dr. John Fan [Member]
Subsidiary, Sale of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period				188,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				20 days
Share-based Payment Arrangement, Noncash Expense				$ 2,100,000
2020 Equity Incentive Plan [Member]
Subsidiary, Sale of Stock [Line Items]
Number of shares authorized to issue									4,000,000
number of shares available for grant								2,400,000
Vesting period description								the Company for periods ranging from one to five years (the vesting period)
At The Market Offering [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction						92,335	2,404,362	3,096,697
Proceeds from sale of common stock								$ 21,000,000.0
Commissions paid								$ 650,000
Gross proceeds from registered sale equity securities						$ 800,000	$ 16,000,000
Shares Issued, Price Per Share						$ 6.74	$ 6.66
Underwriting discounts and offering expenses from sale of equity						$ 100,000	$ 500,000
Current ATM Agreement [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction					600,000
Gross proceeds from registered sale equity securities					$ 4,800,000
Shares Issued, Price Per Share					$ 8.06
Underwriting discounts and offering expenses from sale of equity					$ 100,000
Proceeds from sale of stock					$ 44,300,000
Current ATM Agreement [Member] \| Maximum [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds from sale of stock	$ 50,000,000