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Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Deferred tax asset	$ 4,039,749us-gaap_DeferredTaxAssetsNet	$ 3,543,295us-gaap_DeferredTaxAssetsNet
Accumulated net operating losses	3,200,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards	2,700,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Start-up expense related to company	200,000soho_DeferredTaxAssetsStartUpExpenses	200,000soho_DeferredTaxAssetsStartUpExpenses
Amortized period	15 years
Loss carryforwards, expired	2028
Valuation allowance	$ 0us-gaap_DeferredTaxAssetsValuationAllowance

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- Definition

Deferred tax assets start up expenses.

+ References

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- Definition

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b),(c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319



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-Name Accounting Standards Codification

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-Section 50

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 25

-Paragraph 20

-Subparagraph (b)

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

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