Note 5 - Debt - Components of Debt, Interest Expense and Effective Interest Rate (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Interest Expense		$ 11,001	$ 11,944
The 2017 Senior Credit Facility [Member]
Interest Expense		$ 872	$ 1,130
Effective Interest Rate		7.20%	8.90%
The 2019 Senior Credit Facility [Member]
Interest Expense		$ 3,409
Effective Interest Rate		6.00%
Convertible Second Lien Notes [Member]
Interest Expense	[1]	$ 5,304	$ 10,814
Effective Interest Rate	[1]	24.10%	23.90%
New Convertible Second Lien Notes, New 2L Notes [Member]
Interest Expense	[2]	$ 1,416
Effective Interest Rate	[2]	21.60%

[1] The Convertible Second Lien Notes had a coupon interest rate of 13.50%; however, the discount recorded due to the convertibility of the notes increased the effective interest rate to 24.1% for the year ended December 31, 2019 (until payoff on May 29, 2019) and 23.9% for the year ended December 31, 2018. Interest expense for the year ended December 31, 2019 included $2.3 million of debt discount amortization and $3.0 million of paid-in-kind interest. Interest expense for the year ended December 31, 2018 included $4.1 million of debt discount amortization and $6.7 million of paid-in-kind interest.

[2] The New 2L Notes have a coupon interest rate of 13.50%; however, the discount recorded due to the convertibility of the notes increased the effective interest rate to 21.6% for the year ended December 31, 2019. Interest expense for the year ended December 31, 2019 included $0.3 million of debt discount amortization and $1.0 million of accrued interest to be paid in-kind.