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Note 10 - Debt - Summary of Debt Outstanding (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Debt discount and issuance costs $ (6,721) $ (7,115)
Total long-term debt 168,279 167,885
The 8.00% Senior Secured Notes due August 2022 [Member]    
Long-term debt, gross [1],[2] $ 175,000 $ 175,000
[1] As of March 31, 2022 and December 31, 2021 the fair value (Level 2) of the Senior Secured Notes was $184.3 million and $177.6 million, respectively.
[2] The $5.0 million restricted cash on the balance sheet at March 31, 2022, represents the prorata amount due for our next semiannual interest payment obligation.