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Note 8 - Long-term Obligations - Summary of Long-term Obligations (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Finance leases and other long-term obligations $ 2,717 $ 2,729
Total long-term obligations 173,492 176,382
Less current portion (7,931) (8,906)
Long-term obligations, net of current portion 165,561 167,476
The 2019 Senior Credit Facility [Member]    
Long-term obligations 174,521 177,750
Debt discount (2,033) (2,234)
Debt issuance costs $ (1,713) $ (1,863)