INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of Provision (Benefit) for Income Taxes Continuing Operations

A summary of the provision for income taxes from continuing operations is as follows:

	Fiscal Year Ended December 31,						Eight Months Ended December 31, 2014			Fiscal Year Ended April 30, 2014
	2016			2015
Federal
Current	$	—		$	2,899		$	2,231		$	—
Current benefit of loss carryforwards	—			(2,899		)	(2,231		)	—
Deferred	458			395			463			1,262
	458			395			463			1,262
State
Current	(90		)	1,112			500			219
Current benefit of loss carryforwards	—			(557		)	(402		)	—
Deferred	126			401			142			318
	36			956			240			537
Provision for income taxes	$	494		$	1,351		$	703		$	1,799

Schedule of Difference in Provision (Benefit) for Income Taxes

The differences in the provision for income taxes and the amounts determined by applying the Federal statutory rate to income before provision for income taxes are as follows:

	Fiscal Year Ended December 31,						Eight Months Ended December 31, 2014			Fiscal Year Ended April 30, 2014
	2016			2015
Federal statutory rate	35		%	35		%	35		%	35		%
Tax at statutory rate	$	(2,228	)	$	(3,650	)	$	(1,787	)	$	(8,929	)
State income taxes, net of federal benefit	(265		)	198			(59		)	(1,271		)
Other increase in valuation allowance	4,370			5,272			2,532			13,605
Non-deductible expenses	100			467			505			505
Tax credits	(1,085		)	(671		)	(380		)	(598		)
Non-deductible equity income in subsidiaries and GreenFiber goodwill impairment	—			(415		)	(73		)	1,548
Tax over book basis in GreenFiber on sale	—			—			—			(2,570		)
Other, net	(398		)	150			(35		)	(491		)
Provision for income taxes	$	494		$	1,351		$	703		$	1,799

Schedule of Deferred Tax Assets and Liabilities

Deferred income taxes reflect the impact of temporary differences between the amounts of assets and liabilities recognized for financial reporting purposes and such amounts recognized for income tax purposes. A summary of deferred tax assets and liabilities is as follows:

	December 31,
	2016			2015
Deferred tax assets:
Book over tax depreciation of property and equipment	$	30,012		$	37,383
Net operating loss carryforwards	46,846			36,187
Accrued expenses and reserves	32,185			31,611
Alternative minimum tax credit carryforwards	3,804			3,766
General business tax credit carryforwards	4,433			3,379
Stock awards	1,720			1,338
Other	2,806			2,778
Total deferred tax assets	121,806			116,442
Less: valuation allowance	(97,589		)	(93,007		)
Total deferred tax assets after valuation allowance	24,217			23,435
Deferred tax liabilities:
Amortization of intangibles	(30,296		)	(28,935		)
Other	(99		)	(95		)
Total deferred tax liabilities	(30,395		)	(29,030		)
Net deferred tax liability	$	(6,178	)	$	(5,595	)

Schedule of Reconciliation of Gross Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows:

	Fiscal Year Ended December 31,
	2016			2015
Unrecognized tax benefits at beginning of period	$	3,379		$	3,073
Gross increases for tax positions of prior years	—			168
Gross decreases for tax positions of prior years	(2		)	(1		)
Reductions resulting from lapse of statute of limitations	(270		)	(409		)
Gross increases resulting from reversal of benefit from lapse of statute of limitations	—			716
Settlements	—			(168		)
Unrecognized tax benefits at end of period	$	3,107		$	3,379