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v3.20.4

Note 4 - Debts and Commitments (Details Textual) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2015 USD ($) ft² a | Sep. 30, 2020 USD ($) ft² | Sep. 30, 2019 USD ($) | Sep. 30, 2013 USD ($) | Oct. 31, 2020
Proceeds from Issuance of Debt |  | $ 1,000,000 | $ 0 |  |
Payments to Acquire Property, Plant, and Equipment, Total |  | 184,000 | 165,000 |  |
Operating Leases, Rent Expense, Net, Total |  | $ 612,000 | $ 1,017,000 |  |
Measurement Input, Discount Rate [Member] |  |  |  |  |
Incentive Plan Future Commitment, Measurement Input |  | 6.00% | 6.00% |  |
UTAH | Building [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² | 30,700 |  |  |  |
UTAH | Land [Member] |  |  |  |  |
Area of Land (Acre) | a | 3.6 |  |  |  |
UTAH | Land and Building [Member] |  |  |  |  |
Payments to Acquire Property, Plant, and Equipment, Total | $ 1,240,000 |  |  |  |
San Francisco Office [Member] |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² |  | 6,200 |  |  |
Margin Account [Member] |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  | $ 29,500,000 |
Margin Account [Member] | Fed Funds Rate [Member] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.50% |
Debt Instrument, Interest Rate, Effective Percentage |  | 75.00% |  |  |
Real Estate Bank Loan Secured by Logan Office [Member] |  |  |  |  |
Loans Payable to Bank, Total | $ 2,260,000 | $ 1,710,000 |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | 4.66% |  |  |  |
Debt Instrument, Periodic Payment, Total | $ 17,600 |  |  |  |
Real Estate Bank Loan Secured by Logan Office [Member] | Subsequent Event [Member] |  |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate |  |  |  |  | 3.33%
Long-term Debt, Term (Year) |  |  |  |  | 10 years

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