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Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements (USD $)
Jun. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   $ 752,000 $ 478,000
Securities sold, but not yet purchased at fair value 915,000 1,000 2,000
Corporate Stocks [Member] | Fair Value, Inputs, Level 1 [Member]
      
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   18,000 154,000
Securities sold, but not yet purchased at fair value   1,000 2,000
Corporate Stocks [Member]
      
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   18,000 154,000
Securities sold, but not yet purchased at fair value   1,000 2,000
Government Obligations [Member] | Fair Value, Inputs, Level 1 [Member]
      
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   678,000 300,000
Government Obligations [Member]
      
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   678,000 300,000
Restricted Stock and Warrants [Member] | Fair Value, Inputs, Level 2 [Member]
      
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   56,000 24,000
Restricted Stock and Warrants [Member]
      
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   56,000 24,000
Fair Value, Inputs, Level 1 [Member]
      
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   696,000 454,000
Securities sold, but not yet purchased at fair value 456,000 1,000 2,000
Fair Value, Inputs, Level 2 [Member]
      
Note 7 - Securities Owned And Securities Sold, But Not Yet Purchased At Fair Value (Details) - Fair Value Measurements [Line Items]      
Securities owned at fair value   56,000 24,000
Securities sold, but not yet purchased at fair value $ 459,000