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Note 9 - Debt - Summary of Debt Outstanding (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Long-term debt, gross |  | $ 187,204 | $ 175,000
Debt discount and issuance costs |  | (5,190) | (5,964)
Less: Current portion of long-term debt |  | (2,441) | 0
Total long-term debt |  | 179,573 | 169,036
Secured Debt [Member] |  |  |
Long-term debt, gross |  | 0 | 0
Unsecured Debt [Member] |  |  |
Long-term debt, gross |  | 0 | 0
The 8.00% Senior Secured Notes due August 2022 [Member] |  |  |
Long-term debt, gross | [1],[2] | 175,000 | 175,000
Supplier Facility Agreements [Member] |  |  |
Long-term debt, gross |  | $ 12,204 | $ 0
[1] | As of June 30, 2023 and December 31, 2022, the fair value (Level 2) of the Senior Secured Notes was $181.4 million and $177.3 million, respectively.
[2] | The $1.2 million restricted cash on the condensed consolidated balance sheet at June 30, 2023, represents the pro rata amount due for our next semiannual interest payment obligation on the 8.50% Senior Secured Notes.

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