Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Benefit

The components of the income tax benefit are as follows:

	Year Ended December 31,
(in thousands)	2016			2015			2014
Current:
Federal	$	—		$	—		$	—
State	(1		)	(518		)	384
	$	(1	)	$	(518	)	$	384
Deferred:
Federal	$	—		$	—		$	(3,656	)
State	203			193			(86		)
	$	203		$	193		$	(3,742	)
Income tax expense (benefit)	$	202		$	(325	)	$	(3,358	)

Schedule of Effective Income Tax Rate Reconciliation

The following is a reconciliation of the income tax benefit that was recorded compared to taxes provided at the U.S. statutory rate:

	Year Ended December 31,
(in thousands)	2016			2015			2014
Income tax benefit at the statutory federal rate (35%)	$	(7,691	)	$	(2,871	)	$	(11,034	)
Warrant	—			—			(1,116		)
Goodwill impairment	—			—			3,852
Nondeductible expenses	23			148			143
Valuation allowance	7,063			2,261			4,449
State taxes, net of federal benefit	204			(211		)	105
Stock-based compensation and other	603			348			243
Income tax expense (benefit)	$	202		$	(325	)	$	(3,358	)
Effective tax rate	0.9		%	4.0		%	10.7		%

Schedule of Deferred Tax Assets and Liabilities

Significant components of our deferred tax assets and liabilities are as follows:

	December 31,
(in thousands)	2016			2015
Deferred income tax assets
Bad debts	$	3		$	3
Stock-based compensation	3,050			2,740
Accrued liabilities and other	49			52
Deferred revenue	413			1,775
Net operating losses	31,130			17,402
Total net deferred tax assets	$	34,645		$	21,972
Deferred income tax liabilities
Prepaids	$	(378	)	$	(368	)
Property, plant and equipment	(20,890		)	(15,087		)
Total net deferred tax liabilities	$	(21,268	)	$	(15,455	)
Valuation allowance	$	(13,773	)	$	(6,710	)
Net deferred tax liability	$	(396	)	$	(193	)