| Basic and diluted net loss per share | 
    |  |  | Three Months Ended
    March 31, |  |  | Six Months Ended March
    31, |  |  
    |  |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |  |  
    | Basic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Net income (loss)
    attributed to Live Ventures Incorporated |  | $ | 1,218,508 |  |  | $ | (1,095,220 | ) |  | $ | 1,394,656 |  |  | $ | (6,042,654 | ) |  
    | Less:
    preferred stock dividends |  |  | (479 | ) |  |  | (479 | ) |  |  | (959 | ) |  |  | (962 | ) |  
    | Net
    income (loss) applicable to common stock |  | $ | 1,218,029 |  |  | $ | (1,095,699 | ) |  | $ | 1,393,697 |  |  | $ | (6,043,616 | ) |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Weighted average common
    shares outstanding |  |  | 16,895,709 |  |  |  | 16,045,823 |  |  |  | 16,900,429 |  |  |  | 15,573,357 |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Basic earnings (loss)
    per share |  | $ | 0.07 |  |  | $ | (0.07 | ) |  | $ | 0.08 |  |  | $ | (0.39 | ) |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Net income (loss) applicable
    to common stock |  | $ | 1,218,029 |  |  | $ | (1,095,699 | ) |  | $ | 1,393,697 |  |  | $ | (6,043,616 | ) |  
    | Add:
    preferred stock dividends |  |  | 479 |  |  |  | 0 |  |  |  | 959 |  |  |  | 0 |  |  
    | Net
    income (loss) applicable for diluted earnings (loss) per share |  | $ | 1,218,508 |  |  | $ | (1,095,699 | ) |  | $ | 1,394,656 |  |  | $ | (6,043,616 | ) |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Weighted average common shares outstanding |  |  | 16,895,709 |  |  |  | 16,045,823 |  |  |  | 16,900,429 |  |  |  | 15,573,357 |  |  
    | Add: Options |  |  | 97,912 |  |  |  | 0 |  |  |  | 115,106 |  |  |  | 0 |  |  
    | Add: Warrants |  |  | 1,833,168 |  |  |  | 0 |  |  |  | 1,955,722 |  |  |  | 0 |  |  
    | Add:
    preferred stock |  |  | 127,800 |  |  |  | 0 |  |  |  | 127,800 |  |  |  | 0 |  |  
    | Assumed weighted average
    common shares outstanding |  |  | 18,954,589 |  |  |  | 16,045,823 |  |  |  | 19,099,057 |  |  |  | 15,573,357 |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Diluted earnings (loss)
    per share |  | $ | 0.06 |  |  | $ | (0.07 | ) |  | $ | 0.07 |  |  | $ | (0.39 | ) |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |    | 
| Potentially dilutive securities | 
    |  |  | Three Months Ended
    March 31, |  |  | Six Months Ended March
    31, |  |  
    |  |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |  |  
    |  |  |  |  |  |  |  |  |  |  |  |  |  |  
    | Options to purchase shares of common stock |  |  | 1,050,000 |  |  |  | 600,000 |  |  |  | 1,050,000 |  |  |  | 600,000 |  |  
    | Warrants to purchase shares of common stock |  |  | 3,540,876 |  |  |  | 3,540,876 |  |  |  | 3,540,876 |  |  |  | 3,540,876 |  |  
    | Series E convertible preferred stock |  |  | 127,840 |  |  |  | 127,840 |  |  |  | 127,840 |  |  |  | 127,840 |  |  
    | Total potentially dilutive shares |  |  | 4,718,716 |  |  |  | 4,268,716 |  |  |  | 4,718,716 |  |  |  | 4,268,716 |  |  |