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Income Taxes (Tables)

12 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Components of income tax expense

The components of income tax expense (benefit) are as follows:

		Year Ended September 30,
		2018				2017				2016
Current expense (benefit)
United States federal		$	(125	)		$	4,153			$	(2,043	)
State		(78		)		1,244				285
Total current expense (benefit)		(203		)		5,397				(1,758		)
Deferred (benefit) expense
United States federal		(2,878		)		—				24,877
State		66				—				3,051
Total deferred (benefit) expense		(2,812		)		—				27,928
Total provision (benefit) for income taxes		$	(3,015	)		$	5,397			$	26,170

Reconciliation of tax rate

The income tax provision differs from the tax that would result from application of the blended statutory federal tax rate of 24.5% to pre-tax income for the year ended September 30, 2018 and 35.0% to pre-tax income for the years ended September 30, 2017 and September 30, 2016. The reasons for the differences are as follows:

		Year Ended September 30,
		2018				2017				2016
Income tax expense at statutory rate		$	(8,746	)		$	(956	)		$	(7,534	)
State income taxes, net of federal tax benefit		(12		)		302				(531		)
Change in federal statutory rate		12,645				—				51
Increase (decrease) in valuation allowance		(7,066		)		6,192				34,184
Other, net		164				(141		)		—
Total income tax expense (benefit)		$	(3,015	)		$	5,397			$	26,170

Components of Deferred tax assets (liabilities)

The components of the deferred tax assets (liabilities) recorded in the accompanying consolidated balance sheets were as follows:

		September 30,
		2018				2017
Gross deferred tax assets:
Deferred compensation		$	1,253			$	1,976
Reserves and accruals		4,794				5,017
Accrued tool sets		638				1,111
Deferred revenue		9,185				27,056
Deferred rent liability		189				455
Net operating losses and tax credit carryforwards		5,389				416
Depreciation and amortization of property and equipment		3,740				3,151
Charitable contribution carryovers		804				665
Deductions limited by Section 382		700				943
Valuation allowance		(23,112		)		(38,407		)
Total gross deferred tax assets		3,580				2,383
Gross deferred tax liabilities:
Amortization of goodwill and intangibles		(2,056		)		(3,141		)
Prepaid and other expenses deductible for tax		(1,853		)		(2,383		)
Total deferred tax liabilities, gross		(3,909		)		(5,524		)
Net deferred tax liabilities		$	(329	)		$	(3,141	)

Summary of valuation allowance

The following table summarizes the activity for the valuation allowance for the year ended September 30:

		Balance at Beginning of Period				Additions (Reductions) to Income Tax Expense				Write-offs (1)				Balance at End of Period
2018		$	38,407			$	(5,555	)		$	(9,740	)		$	23,112
2017		$	32,828			$	6,192			$	(613	)		$	38,407
2016		$	401			$	34,184			$	(1,757	)		$	32,828

⁽¹⁾ Of this total, approximately $9.6 million relates to our adoption of ASC 606 as of October 1, 2017.

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The entire disclosure for valuation and qualifying accounts and reserves.

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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