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Note 4 - Debts and Commitments (Details Textual) |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 13, 2013 USD ($) | Dec. 04, 2012 USD ($) | Nov. 30, 2015 USD ($) ft² a | Dec. 31, 2012 USD ($) ft² | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) ft²
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% |  |  |  |  |  |
Real Estate Bank Loan Secured by Logan Office [Member] |  |  |  |  |  |  |
Loans Payable to Bank |  |  | $ 2,260,000 |  | $ 2,180,000 |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate |  |  | 4.66% |  |  |  |
Debt Instrument, Periodic Payment |  |  | $ 17,600 |  |  |  |
Utah [Member] | Building [Member] |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  | 30,700 |  |  |  |
Utah [Member] | Land [Member] |  |  |  |  |  |  |
Area of Land | a |  |  | 3.6 |  |  |  |
Utah [Member] | Land and Building [Member] |  |  |  |  |  |  |
Payments to Acquire Property, Plant, and Equipment |  |  | $ 1,240,000 |  |  |  |
San Francisco Office [Member] |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  |  |  |  | 6,200
Lessee Leasing Arrangements, Operating Leases, Renewal Term |  |  |  |  |  |  | 5 years
Operating Lease, Monthly Rent |  |  |  |  |  |  | $ 24,000
Logan, Utah Office [Member] |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  | 30,200 |  |  |
Operating Lease, Monthly Rent |  |  |  | $ 42,000 |  |  |
Logan Building [Member] |  |  |  |  |  |  |
Rental Income, Nonoperating, Monthly |  |  |  |  | $ 5,000 |  |
Long Term Accrued Liabilities [Member] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  |  |  | 6.00% |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  | 1.00% |  |
Payments to Acquire Property, Plant, and Equipment |  |  |  |  | $ 3,779,000 | $ 565,000 | 435,000
Operating Leases, Rent Expense |  |  |  |  | $ 745,000 | $ 1,171,000 | $ 1,182,000
Fair Value Inputs, Discount Rate |  |  |  |  | 6.00% |  |

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