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Income Taxes (Details Narrative) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Dec. 28, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Income Tax [Line Items]
Effective income tax rate reconciliation, percent		43.10%	15.70%	40.40%	21.00%
Net deferred tax liability						$ 586
Nondeductible income loss, fair value adjustment warrant liability			$ 6,687		$ 12,598
Effective income tax rate reconciliation nondeductible expense change fair value of warrant liability		43.10%	15.70%	40.40%	21.00%
Effective income tax rate reconciliation, nondeductible expense, amount, total			$ 3,330		$ 7,034
Maximum [Member] | ESW LLC [Member]
Income Tax [Line Items]
Effective income tax rate reconciliation, percent				39.50%
Minimum [Member] | ESW LLC [Member]
Income Tax [Line Items]
Effective income tax rate reconciliation, percent				10.00%
Tax Year 2017 [Member] | Maximum [Member]
Income Tax [Line Items]
Effective income tax rate reconciliation, percent	42.00%
Tax Year 2017 [Member] | Minimum [Member]
Income Tax [Line Items]
Effective income tax rate reconciliation, percent	40.00%
Tax Year 2018 [Member]
Income Tax [Line Items]
Effective income tax rate reconciliation, percent	37.00%
Tax Year 2019 and Thereafter[Member]
Income Tax [Line Items]
Effective income tax rate reconciliation, percent	33.00%

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- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to change in change in fair value of warrant liabilities nondeductible expenses.

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Amount of non-deductible income(losses) due to change in fair value of company's warrant liability.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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-Topic 740
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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Topic 235
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-Section S99
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