Note 3 - Cash, Cash Equivalents and Investments |
6 Months Ended | ||||||||||||||||||||||||||||||||||||
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Mar. 31, 2020 | |||||||||||||||||||||||||||||||||||||
| Notes to Financial Statements | |||||||||||||||||||||||||||||||||||||
| Cash and Cash Equivalents Disclosure [Text Block] |
Note 3. Cash, Cash Equivalents and InvestmentsThe Company currently invests its excess cash in bank certificates of deposit (“CDs”) that are fully insured by the Federal Deposit Insurance Corporation (“FDIC”) and Unites States Treasury (“Treasuries”) securities with terms of not more than five years, as well as money market accounts. CDs and Treasuries with original maturities of more than three months are reported as held-to-maturity investments and are recorded at amortized cost, which approximates fair value due to the negligible risk of changes in value due to interest rates. The maturity dates of the Company’s investments as of
March 31, 2020 and September 30, 2019 are as follows:
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