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v3.25.2

Consolidated Statements of Cash Flows - USD ($) | 6 Months Ended
--- | ---
May 31, 2025 | May 31, 2024
Cash flows from operating activities: |  |
Net income | $ 638,640 | $ 1,212,031
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization expense | 498,141 | 198,264
Impairment of investment - Tianhe stock | 0 | 308,000
Loss on sale of property and equipment | 47,671 | 0
Losses (gains) on marketable securities | 410,733 | (533,594)
Unrealized gain on interest rate swap contract | 0 | (105,887)
Compensatory element of stock options | 337,418 | 485,494
Provision for doubtful accounts | 366,586 | 560,200
Amortization of debt issuance costs | 10,465 | 10,669
Amortization of operating lease right-of-use asset | 186,114 | 151,413
Changes in assets and liabilities: |  |
Accounts receivable | 11,034 | (815,407)
Prepaid expenses | 15,710 | (36,374)
Inventory | 58,219 | 122,728
Other current assets | 62,265 | (45,525)
Deposits and other assets, net | (61,694) | (32,551)
Accounts payable | 370,932 | (599,852)
Accrued expenses | (3,136,174) | (1,953,539)
Operating lease liability | (203,016) | (110,508)
Other liabilities | 0 | (8,873)
Deferred revenue | 2,048,033 | 2,609,927
Net cash from operating activities | 1,661,077 | 1,416,616
Cash flows from investing activities: |  |
Purchases of property and equipment | (124,461) | (2,209,654)
Sale of property and equipment | 115,000 | 0
Payment of Duke license agreement | 0 | (933,334)
Purchases of marketable securities | (2,574,249) | (854,869)
Sale of marketable securities | 793,426 | 902,210
Net cash used in investing activities | (1,790,284) | (3,095,647)
Cash flows used in financing activities: |  |
Treasury stock purchases | (88,619) | (1,407,471)
Repayments of note payable | (74,416) | (78,370)
Repayment of line of credit | (3,700,000) | (200,000)
Proceeds from line of credit | 6,800,000 | 3,200,000
Dividends paid | (3,231,227) | 0
Proceeds from Swap termination | 0 | 228,000
Net cash (used in) provided by financing activities | (294,262) | 1,742,159
(Decrease) increase in cash and cash equivalents | (423,469) | 63,128
Cash and cash equivalents - beginning of period | 560,960 | 406,067
Cash and cash equivalents - end of period | 137,491 | 469,195
Supplemental investing activities: |  |
Construction costs payable | 0 | (880,348)
Supplemental cash flow information: |  |
Interest | 977,952 | 940,697
Income taxes | $ 2,198,330 | $ 1,952,502

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