11. INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Provision for income taxes

	Years Ended December 31,
	2016			2015			2014
Current provision (benefit)	$	141		$	(8,011	)	$	11,040
Deferred provision (benefit)		(1,122	)		(2,023	)		4,097
Total	$	(981	)	$	(10,034	)	$	15,137

Reconciliation of effective tax rate

	Years Ended December 31,
	2016			2015			2014
Statutory rate		35.0	%		35.0	%		35.0	%
State income taxes, net of federal benefit		6.4			9.2			10.0
Change in valuation allowance		(298.8	)		(4.2	)		(11.5	)
Fair value adjustments and warrant inducements		37.2			2.0			31.8
Domestic production gross receipts deduction		–			(2.9	)		(2.0	)
Section 382 reduction to loss carryover		–			0.1			(24.2	)
Stock compensation		58.8			(0.8	)		–
Non-deductible items		8.9			(0.5	)		0.6
Change in tax status of subsidiary		–			–			(1.6	)
Other		(27.5	)		(3.2	)		(1.3	)
Effective rate		(180.0	)%		34.7	%		36.8	%

Components of deferred income taxes

	December 31,
	2016			2015
Deferred tax assets:
Net operating loss carryforwards	$	45,709		$	53,867
Railcar contracts		3,348			5,143
Pension liability		2,204			2,647
R&D and AMT credits		2,465			2,303
Derivatives		1,228			–
Litigation accrual		–			1,290
Capital leases		–			1,021
Stock-based compensation		946			724
Allowance for doubtful accounts and other assets		856			–
Other		4,316			5,367
Total deferred tax assets		61,072			72,362
Deferred tax liabilities:
Fixed assets		(45,757	)		(30,272	)
Intangibles		(1,091	)		(1,091	)
Debt basis		–			(912	)
Other		(1,593	)		(1,423	)
Total deferred tax liabilities		(48,441	)		(33,698	)
Valuation allowance		(12,683	)		(39,838	)
Net deferred tax liabilities	$	(52	)	$	(1,174	)
Classified in balance sheet as:
Other liabilities	$	(52	)	$	(1,174	)

Net operating loss carryforwards

These net operating loss carryforwards expire as follows (in thousands):

Tax Years	Federal		State
2017–2021	$	–	$	22,425
2022–2026		3,781		4,109
2027–2031		1,654		30,102
2032–2036		112,248		45,202
	$	117,683	$	101,838

Certain of these net operating losses are not immediately available, but become available to be utilized in each of the years ended December 31, as follows (in thousands):

Year	Federal		State
2017	$	16,328	$	40,037
2018		6,441		4,809
2019		6,441		4,809
2020		6,374		4,781
2021		6,308		4,754
Thereafter		75,791		42,648
	$	117,683	$	101,838