| Statements of Comprehensive Income (Loss) (USD $) | 6 Months Ended | |
|---|---|---|
| Jun. 30, 2013 | Jun. 30, 2012 | |
| Statements Of Comprehensive Income Loss | ||
| Net income (loss) | $ 188,987 | $ (109,705) | 
| Foreign currency translation adjustments | 522,531 | (49,736) | 
| Total comprehensive income (loss) | $ 711,518 | $ (159,441) | 
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- Definition No authoritative reference available. No definition available. 
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- Definition The net realized foreign currency transaction gain (loss) (pretax) included in determining net income from transactions that were settled as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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