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Note 7 - Long-term Obligations - Summary of Aggregate Maturities of Long-term Obligations (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
2018 (October 1 - December 31) $ 1,866
2019 (January 1 - December 31) 6,639
2020 (January 1 - December 31) 8,902
2021 (January 1 - December 31) 16,267
2022 (January 1 - December 31) 86,483
2023 (January 1 - December 31) 53,801
Thereafter 2,426
Total maturities of long-term obligations $ 176,384