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10. Income Taxes (Details 3) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Tax Disclosure [Abstract] |  |  |
Computed expected tax provision (benefit) | $ (137,000) | $ 259,886 | $ 106,000
Effect of permanent differences |  | 4,662 | 30,000
Foreign taxes | 34,641 | 24,000 |
Other(1) | 61,770 | 126,062 |
Increase in valuation allowance | 207,696 |  |
Release of valuation allowance |  | (309,000) | (629,000)
Total | $ 167,107 | $ 105,610 | $ (493,000)
Computed expected tax provision (benefit), Percent | (35.00%) | 35.00% | 34.00%
Effect of permanent differences, Percent | 0.00% | 0.60% | 9.60%
Foreign taxes, Percent | 8.90% | 3.20% | 0.00%
Other(1), Percent | 15.80% | 17.00% | 0.00%
Increase in valuation allowance, Percent | 53.10% | 0.00% | 0.00%
Release of valuation allowance, Percent | 0.00% | (41.60%) | (202.00%)
Total, Percent | 42.70% | 14.20% | (158.40%)

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