Income taxes - Summary of tax effects of statutory federal income tax rate to income before income taxes (Details 1) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Federal income taxes at applicable statutory rates	$ (144,761)	$ (433,010)
Adjustment resulting from the tax effect of:
State income tax	(907)	(800)
Foreign tax rate differential	21,637	92,191
Loss with no tax benefit provided	77,431	289,257
Non-deductible expenses and other	39,992	58,570
Income tax benefit	$ (6,608)	$ 6,208

Represents income tax benefit before valuation of allowance for deferred tax assets.

No definition available.

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- Definition

Amount 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 foreign income tax expense (benefit).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Subparagraph 1

-Article 4

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- Definition

The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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