Note 9 - Supplemental Cash Flow Disclosures - Schedule of Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands		6 Months Ended
	Jan. 01, 2017	Jun. 30, 2017	Jun. 30, 2016
Cash paid for interest		$ 914
Income taxes paid (refunded)		(488)
Non-cash investing and financing activity:
Change in accrued capital expenditures		$ (3,127)
Predecessor [Member]
Cash paid for interest			$ 16,927
Income taxes paid (refunded)			(14,642)
Reorganization items, cash, fresh start adjustments	$ (21,657)
Non-cash investing and financing activity:
Change in accrued capital expenditures			$ (666)