Note 10 - Debt - Scheduled Principal Payments (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 5,948	[1]
2021	5,948
2022	133,118
Total long-term debt	145,014
Less: Current maturities of long-term debt	(5,948)
Noncurrent portion of long-term debt	$ 139,066

[1] The $5.9 million of scheduled principal payments for 2020 noted in the table above was paid in full on February 18, 2020, as part of the above-mentioned $8.2 million voluntary prepayment made in connection with the amendment to the Credit Agreement.