Subsequent Event	6 Months Ended
Jun. 30, 2022
Subsequent Events [Abstract]
Subsequent Event	Note 12 – Subsequent Event On July 5, 2022, the Company closed a follow-on public offering in which it sold 12,000,000 shares of common stock at a public offering price of $2.10 per share. On July 8, 2022, the Company sold an additional 1,575,000 shares of common stock, pursuant to the partial exercise of the underwriter's over-allotment option at $2.10 per share less underwriting fee, resulting in cumulative net proceeds of $26.8 million after deducting underwriting discounts, commissions and offering expenses. On July 11, 2022, the Company voluntarily repaid in full the debt outstanding under the Loan Agreements. The Company’s prepayment amount was approximately $43.9 million, inclusive of principal amount of debt, the final payment fee, and accrued interest, and satisfied all of the Company’s outstanding debt obligations under the Loan Agreements. The Company did not incur any prepayment penalties in connection with the repayment of the amounts payable under the Loan Agreements, which had a scheduled maturity of March 1, 2024. The prepayment was made in full using restricted cash of $40.0 million, which was set aside as cash collateral in a March 2022 amendment to the Mezzanine Loan Agreement, as well as cash on hand.

Subsequent Event

6 Months Ended

Jun. 30, 2022

Note 12 – Subsequent Event

On July 5, 2022, the Company closed a follow-on public offering in which it sold 12,000,000 shares of common stock at a public offering price of $2.10 per share. On July 8, 2022, the Company sold an additional 1,575,000 shares of common stock,

pursuant to the partial exercise of the underwriter's over-allotment option at $2.10 per share less underwriting fee, resulting in cumulative net proceeds of $26.8 million after deducting underwriting discounts, commissions and offering expenses.

On July 11, 2022, the Company voluntarily repaid in full the debt outstanding under the Loan Agreements. The Company’s prepayment amount was approximately $43.9 million, inclusive of principal amount of debt, the final payment fee, and accrued interest, and satisfied all of the Company’s outstanding debt obligations under the Loan Agreements. The Company did not incur any prepayment penalties in connection with the repayment of the amounts payable under the Loan Agreements, which had a scheduled maturity of March 1, 2024. The prepayment was made in full using restricted cash of $40.0 million, which was set aside as cash collateral in a March 2022 amendment to the Mezzanine Loan Agreement, as well as cash on hand.