Stockholders' Equity	6 Months Ended
Jun. 28, 2020
Equity [Abstract]
Stockholders' Equity	Note 10 — Stockholders' Equity Common and Preferred Stock As of June 28, 2020, the Company was authorized to issue 200 million shares of common stock and had 10 million shares of authorized but unissued undesignated preferred stock. Without any further vote or action by the Company’s stockholders, the Board of Directors has the authority to determine the powers, preferences, rights, qualifications, limitations or restrictions granted to or imposed upon any wholly unissued shares of undesignated preferred stock. Issuance of Common Stock On March 15, 2019, the Company filed a shelf registration statement on Form S-3, under which the Company may, from time to time, sell securities in one or more offerings up to a total amount of $75 million. The Company’s shelf registration statement was declared effective on March 29, 2019. On June 21, 2019, the Company closed an underwritten public offering of 1.3 million shares of common stock, $0.001 par value per share at a price of $7.00 per share, which included 171,429 shares issued pursuant to the underwriters’ full exercise of their over-allotment option. The Company received net proceeds from the offering of approximately $8.0 million, net of underwriter’s commission and other offering expenses. On June 22, 2020, the Company closed an underwritten public offering of 2.5 million shares of common stock, $0.001 par value per share at a price of $3.50 per share. The Company received net proceeds from the offering of approximately $7.9 million, net of underwriter’s commission and other offering expenses. Under the terms of the Underwriting Agreement, the Company granted the Underwriter a 30-day option to purchase up to an additional 375,000 shares of Common Stock to cover overallotments. On July 21, 2020, the Underwriter’s partially exercised the option to purchase 141,733 additional shares of Common Stock in connection with the Offering, resulting in additional net proceeds to the Company of approximately $461,000 after deduction of underwriting discounts. As of June 28, 2020, warrants exercisable for 386,100 shares of common stock at a price of $19.32 per share remain outstanding.

Stockholders' Equity

6 Months Ended

Jun. 28, 2020

Note 10 — Stockholders' Equity

Common and Preferred Stock

As of June 28, 2020, the Company was authorized to issue 200 million shares of common stock and had 10 million shares of authorized but unissued undesignated preferred stock. Without any further vote or action by the Company’s

stockholders, the Board of Directors has the authority to determine the powers, preferences, rights, qualifications, limitations or restrictions granted to or imposed upon any wholly unissued shares of undesignated preferred stock.

Issuance of Common Stock

On March 15, 2019, the Company filed a shelf registration statement on Form S-3, under which the Company may, from time to time, sell securities in one or more offerings up to a total amount of $75 million. The Company’s shelf registration statement was declared effective on March 29, 2019.

On June 21, 2019, the Company closed an underwritten public offering of 1.3 million shares of common stock, $0.001 par value per share at a price of $7.00 per share, which included 171,429 shares issued pursuant to the underwriters’ full exercise of their over-allotment option. The Company received net proceeds from the offering of approximately $8.0 million, net of underwriter’s commission and other offering expenses.

On June 22, 2020, the Company closed an underwritten public offering of 2.5 million shares of common stock, $0.001 par value per share at a price of $3.50 per share. The Company received net proceeds from the offering of approximately $7.9 million, net of underwriter’s commission and other offering expenses. Under the terms of the Underwriting Agreement, the Company granted the Underwriter a 30-day option to purchase up to an additional 375,000 shares of Common Stock to cover overallotments. On July 21, 2020, the Underwriter’s partially exercised the option to purchase 141,733 additional shares of Common Stock in connection with the Offering, resulting in additional net proceeds to the Company of approximately $461,000 after deduction of underwriting discounts.

As of June 28, 2020, warrants exercisable for 386,100 shares of common stock at a price of $19.32 per share remain outstanding.