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Note 12 - Subsequent Events	3 Months Ended
Note 12 - Subsequent Events	Mar. 31, 2019
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 12—Subsequent Events On April 29, 2019, the Company entered into a Limited Waiver to Credit Agreement with the Subsidiary, JPMorgan Chase Bank, N.A., as administrative agent, and certain lenders that are party thereto, pursuant to which the lenders agreed to waive the Company’s failure to comply with the current ratio financial covenant under the 2017 Senior Credit Facility as of the last day of the fiscal quarter ending March 31, 2019. On May 14, 2019, the Company entered into the 2019 Credit Agreement among the Company, the Subsidiary, as borrower, SunTrust Bank, as administrative agent, and certain lenders that are party thereto, which provides the 2019 Senior Credit Facility. The 2019 Senior Credit Facility amends, restates and refinances the obligations under the 2017 Credit Agreement. On May 14, 2019, the Company delivered a notice of redemption to the trustee for the Convertible Second Lien Notes to call for redemption on May 29, 2019 approximately $56.7 million aggregate principal amount of the outstanding Convertible Second Lien Notes, representing 100% of the aggregate principal amount of the outstanding 2019 Notes. On May 14, 2019, the Company and the Subsidiary entered into the New 2L Notes Purchase Agreement with the New 2L Notes Purchasers pursuant to which the Company will issue to the New 2L Notes Purchasers $12.0 million aggregate principal amount of the Company’s 13.50% Convertible Second Lien Senior Secured Notes due 2021. Please see Note 4—“Debt” for a detailed description of each of these transactions.