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Note 4 - Debts and Commitments (Details Textual)
1 Months Ended 12 Months Ended
Sep. 13, 2013
USD ($)
Dec. 04, 2012
USD ($)
Dec. 31, 2012
USD ($)
a
ft²
Sep. 30, 2015
USD ($)
a
Sep. 30, 2014
USD ($)
Sep. 30, 2013
USD ($)
New Dawn [Member] | Margin Account [Member]            
Proceeds from Other Debt   $ 14,000,000        
ISD Corporation [Member] | Margin Account [Member]            
Proceeds from Other Debt $ 15,500,000          
Margin Account [Member] | Fed Funds Rate [Member]            
Debt Instrument, Basis Spread on Variable Rate       0.50%    
Margin Account [Member]            
Debt Instrument, Interest Rate, Effective Percentage       0.75%    
San Francisco Office [Member] | Monthly Rent [Member]            
Operating Leases, Rent Expense       $ 22,000    
San Francisco Office [Member]            
Lessee Leasing Arrangements, Operating Leases, Renewal Term       5 years    
Area of Real Estate Property | a       6,200    
Logan, Utah Office [Member] | Monthly Rent [Member]            
Operating Leases, Rent Expense     $ 42,000      
Area of Real Estate Property | ft²     30,200      
Rental Income, Nonoperating     $ 5,000      
Corona, CA Office [Member] | Monthly Rent [Member]            
Operating Leases, Rent Expense     $ 12,000      
Area of Real Estate Property | a     7,100      
Long Term Accrued Liabilities [Member]            
Fair Value Inputs, Discount Rate       6.00%    
Proceeds from Other Debt       $ 29,493,000
Operating Leases, Rent Expense       $ 1,171,000 $ 1,182,000 $ 884,000
Fair Value Inputs, Discount Rate       6.00%