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v3.23.2

Consolidated Statements of Cash Flows - USD ($) | 6 Months Ended
--- | ---
May 31, 2023 | May 31, 2022
Cash flows from operating activities: |  |
Net income | $ 987,788 | $ 1,466,766
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization expense | 724,890 | 760,759
Change in fair value of contingent consideration | (187,825) | (152,538)
Unrealized (gains) losses on marketable securities | (6,696) | 26,830
Unrealized loss on interest rate swap contract | 223,974 | 0
Compensatory element of stock options | 469,591 | 149,358
Provision for doubtful accounts | 403,040 | 399,953
Amortization of debt issuance costs | 10,862 | 9,777
Amortization of operating lease right-of-use asset | 155,617 | 153,876
Changes in assets and liabilities: |  |
Accounts receivable | (1,041,578) | (296,934)
Prepaid expenses | (83,909) | (11,217)
Inventory | 410,993 | 190,803
Other current assets | 17,820 | (133,566)
Deposits and other assets, net | (56,798) | (237,521)
Accounts payable | 609,687 | 232,778
Accrued expenses | (1,369,083) | (982,399)
Operating lease liability | (157,011) | (154,035)
Deferred revenue | 2,521,664 | 2,031,279
Net cash from operating activities | 3,633,026 | 3,453,969
Cash flows from investing activities: |  |
Purchases of property and equipment | (1,833,043) | (954,607)
Payment of Duke license agreement | (400,000) | (5,000,000)
Proceeds from liquidation of marketable securities | 179,306 | 0
Purchases of marketable securities | (1,082,923) | (1,142,212)
Sale of marketable securities | 359,752 | 1,127,669
Net cash used in investing activities | (2,776,908) | (5,969,150)
Cash flows from financing activities: |  |
Treasury stock purchases | (791,452) | (1,425,455)
Repayments of note payable | (77,126) | (1,550,000)
Repayment of line of credit | (500,000) | 0
Proceeds from the exercise of stock options | 0 | 32,000
Payment of Cord:Use earnout | (67,500) | 0
Net cash used in financing activities | (1,436,078) | (2,943,455)
Decrease in cash and cash equivalents | (579,960) | (5,458,636)
Cash and cash equivalents - beginning of period | 1,703,958 | 8,263,088
Cash and cash equivalents - end of period | 1,123,998 | 2,804,452
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] |  |
Lease liability arising from right-of-use asset | 737,867 | 0
Supplemental investing activities: |  |
Construction costs payable | 1,841,254 | 0
Supplemental cash flow information |  |
Interest | 869,076 | 483,641
Income taxes | $ 983,647 | $ 756,133

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