Common stock available for sale.

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Exercise price of warrants.

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Represents information pertaining to threshold percentage of compensation from gross proceeds.

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The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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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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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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Number of share options (or share units) exercised during the current period.

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Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 29, 2021	Aug. 31, 2017	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Nov. 11, 2021	Aug. 13, 2021	Dec. 31, 2020
Shareholders' Equity (Details) [Line Items]
Preferred stock, shares authorized			350,000		350,000				350,000
Preferred stock, shares issued			0		0				0
Preferred stock, shares outstanding			0		0				0
Weighted average price per share (in Dollars per share)					$ 1.63
Shares issued on option exercises					30,254
Weighted average exercise price					$ 0.85
Shares issued to vendor	25,000
Fair value per share	$ 1.10
Subsequent Event [Member]
Shareholders' Equity (Details) [Line Items]
Common stock available for sale (in Dollars)							$ 26.8
B. Riley Sales Agreement
Shareholders' Equity (Details) [Line Items]
Common stock available for sale (in Dollars)								$ 30.0
Threshold percentage of compensation from gross proceeds		3.00%
FBR Capital Markets & Co. [Member]
Shareholders' Equity (Details) [Line Items]
Shares issues (in shares)			11,931,513		11,931,513
Common Stock
Shareholders' Equity (Details) [Line Items]
Warrants issued to purchase shares					13
Shares issued on option exercises			30,254	3,569	30,254	5,758
Shares issued to vendor			2,496,422	1,252,287	11,931,513	5,797,403
Common Stock \| Maximum
Shareholders' Equity (Details) [Line Items]
Warrants exercise price (in Dollars per share)					$ 3.95