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Note 8 - Earnings per Common Share (Details) (USD $)
9 Months Ended 9 Months Ended 9 Months Ended
Jun. 30, 2013
Employee Stock Option [Member]
Jun. 30, 2012
Employee Stock Option [Member]
Dec. 31, 2011
Employee Stock Option [Member]
Minimum [Member]
Dec. 31, 2011
Employee Stock Option [Member]
Maximum [Member]
Jun. 30, 2013
Warrant [Member]
Jun. 30, 2013
Options And Warrants [Member]
Minimum [Member]
Jun. 30, 2013
Options And Warrants [Member]
Maximum [Member]
Jun. 30, 2013
Conversion Rights [Member]
Note 8 - Earnings per Common Share (Details) [Line Items]                
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) 31,000 42,000     200,000     491,304
Share Price     $ 2.925 $ 11.00   $ 2.50 $ 11.00 $ 1.85