Note 12 - Related Party Transactions	12 Months Ended
Dec. 31, 2022
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	12. Related Party Transactions The Company owes Eric McAfee, the Company’s Chairman and CEO, and McAfee Capital LLC (“McAfee Capital”), owned by Eric McAfee, $0.4 million in connection with employment agreements and expense reimbursements. The balance accrued related to these employment agreements was $0.4 million as of December 31, 2021. For the years ended December 31, 2022 and 2021, the Company expensed $0.3 million, and $15 thousand to reimburse actual expenses incurred by McAfee Capital and related entities. The Company previously prepaid $0.2 million to Redwood Capital, a company controlled by Eric McAfee, for the Company’s use of flight time on a corporate jet. As of December 31, 2022, $0.1 million remained as a prepaid expense. As of December 31, 2021, one executive owes the Company $106 thousand related to stock option exercises. This was repaid in January 2022. On May 7, 2020, the Audit Committee of the Company approved a guarantee fee of 0.1% quarterly on the outstanding balance of Third Eye Capital Notes or $0.6 million. On November 4, 2021, the Audit Committee of the Company approved a guarantee fee of $0.4 million. The balance of $0 and $0.3 million, for guaranty fees, remained as an accrued liability as of December 31, 2022 and 2021, respectively. On January 12, 2022, the Audit Committee of the Company approved a one-time guarantee fee of $2.0 million, paid in stock, to McAfee Capital in connection with McAfee Capitals extension of certain guarantees of the Company’s indebtedness with Third Eye Capital. The Company owes various members of the Board amounts totaling $0.3 million and $0.2 million as of December 31, 2022 and December 31, 2021, for each period, in connection with board compensation fees, which are included in accounts payable on the balance sheet. For the years ended December 31, 2022 and 2021 the Company expensed $0.4 million, and $0.4 million, respectively, in connection with board compensation fees. During the year ended December 31,2021 the company issued $0.9 million of restricted stock awards to pay off outstanding accounts payable owed to members of the Board.

Note 12 - Related Party Transactions

12 Months Ended

Dec. 31, 2022

12. Related Party Transactions

The Company owes Eric McAfee, the Company’s Chairman and CEO, and McAfee Capital LLC (“McAfee Capital”), owned by Eric McAfee, $0.4 million in connection with employment agreements and expense reimbursements. The balance accrued related to these employment agreements was $0.4 million as of December 31, 2021. For the years ended December 31, 2022 and 2021, the Company expensed $0.3 million, and $15 thousand to reimburse actual expenses incurred by McAfee Capital and related entities. The Company previously prepaid $0.2 million to Redwood Capital, a company controlled by Eric McAfee, for the Company’s use of flight time on a corporate jet. As of December 31, 2022, $0.1 million remained as a prepaid expense. As of December 31, 2021, one executive owes the Company $106 thousand related to stock option exercises. This was repaid in January 2022.

On May 7, 2020, the Audit Committee of the Company approved a guarantee fee of 0.1% quarterly on the outstanding balance of Third Eye Capital Notes or $0.6 million. On November 4, 2021, the Audit Committee of the Company approved a guarantee fee of $0.4 million. The balance of $0 and $0.3 million, for guaranty fees, remained as an accrued liability as of December 31, 2022 and 2021, respectively. On January 12, 2022, the Audit Committee of the Company approved a one-time guarantee fee of $2.0 million, paid in stock, to McAfee Capital in connection with McAfee Capitals extension of certain guarantees of the Company’s indebtedness with Third Eye Capital.

The Company owes various members of the Board amounts totaling $0.3 million and $0.2 million as of December 31, 2022 and December 31, 2021, for each period, in connection with board compensation fees, which are included in accounts payable on the balance sheet. For the years ended December 31, 2022 and 2021 the Company expensed $0.4 million, and $0.4 million, respectively, in connection with board compensation fees. During the year ended December 31,2021 the company issued $0.9 million of restricted stock awards to pay off outstanding accounts payable owed to members of the Board.