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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% |  |

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