Note 5 - Long-term Debt - Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Long-term debt	$ 223,284	$ 220,505
Exit fee - Second Lien Credit Facility		10,000
Less current maturities	(209,244)	(202,751)
Long-term Debt, Noncurrent, Gross	14,040	17,754
Deferred financing fees and debt issuance cost, net	(11,678)	(15,239)
Total long-term debt, net of deferred financing fees and debt issuance costs	2,362	2,515
First Lien Credit Facility [Member]
Long-term debt	88,500	95,000
Second Lien Credit Facility [Member]
Long-term debt	132,100	112,700
Exit fee - Second Lien Credit Facility	10,000
Line of Credit [Member] | First Lien Credit Facility [Member]
Long-term debt	88,500	95,000
Line of Credit [Member] | Second Lien Credit Facility [Member]
Long-term debt	122,120	112,695
Exit fee - Second Lien Credit Facility	10,000	10,000
Mortgages [Member]
Long-term debt	$ 2,664	$ 2,810