Note 6 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Accrued liabilities	$ 2,100
Allowance for doubtful accounts	1,791
Stock-based compensation	2,570
Inventory reserve	1,883
Deferred Tax Assets, Operating Loss Carryforwards	276,239
163j interest limitation	41,342
Amortization of goodwill and intangible assets	4,101
Other	4,379
Total deferred tax assets	334,405
Prepaid Assets	(4,438)
Depreciation on property, plant and equipment	(37,784)
Other	(643)
Total deferred tax liabilities	(42,865)
Valuation allowances	(295,457)
Net deferred tax liability	$ (3,917)
Predecessor [Member]
Accrued liabilities		$ 25,470
Allowance for doubtful accounts		2,630
Stock-based compensation		11,530
Inventory reserve		9,131
Deferred Tax Assets, Operating Loss Carryforwards		231,360
163j interest limitation		58,426
Amortization of goodwill and intangible assets		4,526
Other		3,774
Total deferred tax assets		346,847
Prepaid Assets		(2,123)
Depreciation on property, plant and equipment		(179,428)
Other		(3,873)
Total deferred tax liabilities		(185,424)
Valuation allowances		(171,016)
Net deferred tax liability		$ (9,593)