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Stockholders’ Equity and Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Equity [Abstract]

Schedule of Non-vested Restricted Stock Activity

 Schedule of Non-vested Restricted Stock Activity

		Shares				Weighted Average Grant Fair Value
Balance at December 26, 2020			3,051,874			$	1.67
Granted			2,247,343				3.46
Forfeited			(1,654,666	)			2.03
Vested			(1,566,959	)			2.23
Balance at December 25, 2021			2,077,592				2.90
Granted			1,013,600				1.33
Forfeited			(444,350	)			2.45
Vested			(680,941	)			2.82
Balance at December 31, 2022			1,965,901			$	2.22

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions

 Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions

Expected volatility			94.2	%
Interest rate			0.2	%
Expected life (years)			0.7
Dividend yield			—	%

Schedule of Stock-based Compensation Expense

The following table summarizes stock-based compensation expense within each of the categories below as it relates to non-vested restricted common stock awards for the fiscal years 2022, 2021 and 2020 (no tax benefits were recognized):

 Schedule of Stock-based Compensation Expense

		2022				2021				2020
Cost of product revenues		$	94,634			$	211,362			$	113,517
Research and development			435,842				576,193				204,599
Selling, general and administrative			737,229				3,629,867				503,006
Total		$	1,267,705			$	4,417,422			$	821,122

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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