| Note 12. Net Loss Per Share (Details - Computation of loss per share) (USD $) | 3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2013 | Sep. 30, 2012 | |
| Net Loss Per Share | ||||||||||
| Loss from continuing operations | $ (960,319) | $ (511,464) | $ (3,215,467) | $ (1,062,472) | $ (960,319) | $ (511,464) | $ (3,215,467) | $ (1,062,472) | $ (5,749,722) | $ (1,587,641) | 
| Less: preferred stock dividends | (1,918) | (1,918) | ||||||||
| Loss from continuing operations applicable to common stock | (5,751,640) | (1,589,559) | ||||||||
| Income (loss) from discontinued operations | 0 | 295 | 450 | 1,963 | 0 | 295 | 450 | 1,963 | 2,708 | 12,433 | 
| Net loss applicable to common stock | $ (5,748,932) | $ (1,577,126) | ||||||||
| Weighted average common shares outstanding - basic and diluted | 3,570,410 | 3,437,736 | 2,793,023 | 2,653,937 | 3,570,410 | 3,437,736 | 2,793,023 | 2,653,937 | 3,131,420 | 2,068,828 | 
| Earnings per share - basic and diluted: | ||||||||||
| Loss from continuing operations | $ (0.27) | $ (0.15) | $ (1.15) | $ (0.40) | $ (0.27) | $ (0.15) | $ (1.15) | $ (0.40) | $ (1.84) | $ (0.77) | 
| Discontinued operations | $ 0 | $ 0.01 | ||||||||
| Net loss | $ (0.27) | $ (0.15) | $ (1.15) | $ (0.40) | $ (0.27) | $ (0.15) | $ (1.15) | $ (0.40) | $ (1.84) | $ (0.76) |