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Income Tax Disclosure (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of income tax components [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The income tax provision consisted of the following for the years ended December 31, 2018, 2017 and 2016 (in thousands):

	Year Ended December 31,
	2018				2017				2016
Current:
Federal	$	(252	)		$	—			$	19
State and Foreign	663				669				402
	411				669				421
Deferred:
Federal	(211		)		(488		)		51
State	—				(32		)		(2		)
Income tax provision	$	200			$	149			$	470

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The differences between the effective tax rates reflected in the total provision for income taxes and the U.S. federal statutory rate of 34% for the years ended December 31, 2018, 2017 and 2016, respectively, were as follows (in thousands):

	Year Ended December 31,
	2018				2017				2016
Provision at the U.S. federal statutory rate	$	(13,464	)		$	(26,443	)		$	(25,338	)
Increase (decrease) resulting from:
State income taxes, net of federal taxes	46				18				3
Nondeductible expenses	414				373				457
Acquisition-related expense	—				245				(4		)
Statutory to GAAP income adjustment	(221		)		(77		)		(274		)
Foreign Tax Expense	—				—				2
Noncash share-based compensation	(394		)		(3,405		)		604
Other	(153		)		—				49
Incremental benefits for tax credits	(1,656		)		(1,711		)		(1,663		)
Change in tax rate/income subject to lower tax rates	(1,824		)		2,625				—
Change related to prior tax years	(4,800		)		(2,331		)		(856		)
Change related to US tax reform	1,835				31,359				—
Change in valuation allowance	20,417				(504		)		27,490
Income tax provision	$	200			$	149			$	470

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The tax effects of temporary differences and other tax attributes that give rise to significant portions of the deferred tax assets and liabilities as of December 31, 2018 and 2017 are as follows (in thousands):

	Year Ended December 31,
	2018				2017
Noncurrent deferred taxes:
Property and equipment	$	(528	)		$	(847	)
Noncash share-based compensation	6,922				6,373
Disallowed interest expense	4,574				—
Capitalized software	(1,533		)		(1,397		)
Amortization	(4,110		)		(5,096		)
R&E tax credit carryforwards	10,603				9,340
Deferred revenue	2,680				2,996
Federal Net Operating Losses ("NOLs")	58,601				46,907
State NOLs	2,319				1,050
State Credits	2,005				1,613
Foreign NOLs	8,945				9,057
Foreign tax credit carryforward	2,462				2,521
Other	1,291				1,425
Total noncurrent deferred tax assets	94,231				73,942
Less: Valuation allowance	(94,231		)		(74,153		)
Total noncurrent deferred tax liability	—				(211		)
Total net deferred tax liability	$	—			$	(211	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

The following table sets forth the changes to the Company's unrecognized tax benefit for the year ended December 31, 2018, 2017 and 2016 (in thousands):

		Year Ended December 31,
		2018				2017				2016
Beginning balance		$	183			$	192			$	192
Changes based on tax positions related to prior year		—				—				—
Changes due to settlement		—				(9		)		—
Ending balance		$	183			$	183			$	192

The table above has been updated to reflect gross tax liability, exclusive of interest and penalties and other offsetting amounts.

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Schedule of income tax components [Abstract]

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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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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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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Tabular disclosure of the change in unrecognized tax benefits.

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