Note 3 - Summary of Significant Accounting Policies (Detail) - Basic Net Loss Per Share (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Sep. 30, 2012
Numerator:
Net income (loss)	$ 494,000	$ (1,760,000)	$ 454,000	$ (2,769,000)	$ (1,937,000)
Preferred stock dividends				(93,000)
Numerator for diluted earnings per share-net Income (loss) attributable to common stockholders - as adjusted	494,000	(1,760,000)	454,000	(2,862,000)
Denominator for basic earnings per share--weighted average shares (in Shares)	72,232,218	26,088,530	49,289,601	23,855,581
Dilutive potential common shares (in Shares)	2,511,118		6,035,007
Denominator for diluted earnings per share--adjusted weighted-average shares and assumed conversions (in Shares)	74,743,336	26,088,530	55,324,608	23,855,581
Net income (loss) available to common stockholders
Basic (in Dollars per share)	$ 0.01	$ (0.07)	$ 0.01	$ (0.12)
Diluted (in Dollars per share)	$ 0.01	$ (0.07)	$ 0.01	$ (0.12)
Net Income [Member]
Numerator:
Net income (loss)	494,000	(1,760,000)	454,000	(2,769,000)
Preferred Stock [Member]
Numerator:
Preferred stock dividends				(93,000)
Earnings Per Share, Basic [Member]
Numerator:
Numerator for basic earnings per share- Income (loss) attributable to common stockholders - as adjusted	494,000	(1,760,000)	454,000	(2,862,000)
Earnings Per Share, Diluted [Member]
Numerator:
Numerator for diluted earnings per share-net Income (loss) attributable to common stockholders - as adjusted	$ 494,000	$ (1,760,000)	$ 454,000	$ (2,862,000)