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Investments | 12 Months Ended
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Sep. 30, 2020
Held To Maturity Securities Classified [Abstract] |
Investments | NOTE 4. INVESTMENTS Investments at September 30, 2020 primarily consist of corporate bonds that have maturities of less than 36 months and marketable equity securities. The Company’s corporate bonds consists of both short-term and long-term bonds and are classified as “held-to-maturity” on the Company’s Consolidated Balance Sheets. The Company’s marketable equity securities consist of mutual funds that invests in U.S. government bonds, U.S. government agency bonds, corporate bonds, and other asset backed debt securities. Dividends from these three funds are automatically reinvested. The Company may also invest excess cash balances in certificates of deposits, money market accounts, government-sponsored enterprise securities, corporate bonds and/or commercial paper. The Company accounts for its held to maturity investments in accordance with FASB ASC 320, Investments – Debt and Equity Securities and its marketable equity securities in accordance with ASC 321, Investments – Equity Securities. The following tables summarize the Company’s short-term, long-term investments and marketable securities as of September 30, 2020 and September 30, 2019 by measurement category.
Held to Maturity |  | As of September 30, 2020 |  |  |  |  |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  |  |  |
Commercial notes (due within one year) |  | $ | 86,889,751 |  |  | $ | 1,589,873 |  |  | $ | - |  |  | $ | 88,479,624 |  |  |  |  |
Commercial notes (due within one through three years) |  | $ | 137,486,883 |  |  | $ | 4,573,964 |  |  | $ | (79,471 | ) |  | $ | 141,981,376 |  |  |  |  |
Total |  | $ | 224,376,634 |  |  | $ | 6,163,837 |  |  | $ | (79,471 | ) |  | $ | 230,461,000 |  |  |  |  |
|  | As of September 30, 2019 |  |  |  |  |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  |  |  |
Commercial notes (due within one year) |  | $ | 36,899,894 |  |  | $ | 222,584 |  |  | $ | - |  |  | $ | 37,122,478 |  |  |  |  |
Commercial notes (due within one through three years) |  | $ | 44,175,993 |  |  | $ | 875,258 |  |  | $ | - |  |  | $ | 45,051,251 |  |  |  |  |
Total |  | $ | 81,075,887 |  |  | $ | 1,097,842 |  |  | $ | - |  |  | $ | 82,173,729 |  |  |  |  |
Fair Value |  | As of September 30, 2020 |  |  |  |  |
|  | Amortized Cost |  |  | Realized Gains/(Losses) |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Marketable securities |  | $ | 85,000,000 |  |  | $ | 94,734 |  |  | $ | - |  |  | $ | (75,015 | ) |  | $ | 85,019,719 |
Total |  | $ | 85,000,000 |  |  | $ | 94,734 |  |  | $ | - |  |  | $ | (75,015 | ) |  | $ | 85,019,719 |

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 + Details
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