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v3.24.2

Consolidated Statements of Cash Flows - USD ($) | 6 Months Ended
--- | ---
May 31, 2024 | May 31, 2023
Cash flows from operating activities: |  |
Net income | $ 1,212,031 | $ 987,788
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization expense | 198,264 | 724,890
Impairment of investment - Tianhe stock | 308,000 | 0
Change in fair value of contingent consideration | (8,873) | (187,825)
Unrealized gains on marketable securities | (533,594) | (6,696)
Unrealized (gain) loss on interest rate swap contract | (105,887) | 223,974
Compensatory element of stock options | 485,494 | 469,591
Provision for doubtful accounts | 560,200 | 403,040
Amortization of debt issuance costs | 10,669 | 10,862
Amortization of operating lease right-of-use asset | 151,413 | 155,617
Changes in assets and liabilities: |  |
Accounts receivable | (815,407) | (1,041,578)
Prepaid expenses | (36,374) | (83,909)
Inventory | 122,728 | 410,993
Other current assets | (45,525) | 17,820
Deposits and other assets, net | (32,551) | (56,798)
Accounts payable | (599,852) | 609,687
Accrued expenses | (1,953,539) | (1,369,083)
Operating lease liability | (110,508) | (157,011)
Deferred revenue | 2,609,927 | 2,521,664
Net cash (used in) from operating activities | 1,416,616 | 3,633,026
Cash flows from investing activities: |  |
Purchases of property and equipment | (2,209,654) | (1,833,043)
Payment of Duke license agreement | (933,334) | (400,000)
Proceeds from liquidation of marketable securities | 0 | 179,306
Purchases of marketable securities | (854,869) | (1,082,923)
Sale of marketable securities | 902,210 | 359,752
Net cash used in investing activities | (3,095,647) | (2,776,908)
Cash flows from financing activities: |  |
Treasury stock purchases | (1,407,471) | (791,452)
Repayments of note payable | (78,370) | (77,126)
Repayment of line of credit | (200,000) | (500,000)
Proceeds from line of credit | 3,200,000 | 0
Proceeds from Swap termination | 228,000 | 0
Payment of Cord:Use earnout | 0 | (67,500)
Net cash provided by (used in) financing activities | 1,742,159 | (1,436,078)
Increase (decrease) in cash and cash equivalents | 63,128 | (579,960)
Cash and cash equivalents - beginning of period | 406,067 | 1,703,958
Cash and cash equivalents - end of period | 469,195 | 1,123,998
Supplemental non-cash operating activities: |  |
Lease liability arising from right-of-use asset | 0 | 737,867
Supplemental investing activities: |  |
Construction costs payable | (880,348) | 1,841,254
Supplemental cash flow information: |  |
Interest | 940,697 | 869,076
Income taxes | $ 1,952,502 | $ 983,647

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