Annual report pursuant to Section 13 and 15(d)

Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Detail) - Basic and Diluted Income Per Share

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Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Detail) - Basic and Diluted Income Per Share (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Net income attributable to common stockholders of Natural Health Trends $ 2,613 $ 2,289
Net income attributable to common stockholders of Natural Health Trends (in Shares) 10,944 10,704
Net income attributable to common stockholders of Natural Health Trends plus assumed conversions (in Shares) 11,234 10,825
Nine Month Period [Member]
    
Net income attributable to common stockholders of Natural Health Trends 2,613 2,289
Net income attributable to common stockholders of Natural Health Trends (in Shares) 10,944 10,704
Net income attributable to common stockholders of Natural Health Trends (in Dollars per share) $ 0.24 $ 0.21
Net income attributable to common stockholders of Natural Health Trends plus assumed conversions 2,613 2,289
Net income attributable to common stockholders of Natural Health Trends plus assumed conversions (in Shares) 11,234 10,825
Net income attributable to common stockholders of Natural Health Trends plus assumed conversions (in Dollars per share) $ 0.23 $ 0.21
Three Month Period [Member]
    
Non-vested restricted stock $ 290 $ 121