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v3.22.2.2

Consolidated Statements of Cash Flows - USD ($) | 9 Months Ended
--- | ---
Aug. 31, 2022 | Aug. 31, 2021
Cash flows from operating activities: |  |
Net income | $ 1,933,586 | $ 2,720,713
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization expense | 1,129,804 | 711,905
Change in fair value of contingent consideration | 259,769 | (604,109)
Losses on marketable securities | 38,457 | 14,352
Compensatory element of stock options | 310,441 | 233,869
Provision for doubtful accounts | 634,405 | 271,460
Amortization of debt issuance costs | 10,368 | 47,462
Amortization of operating lease right-of-use asset | 231,825 | 211,434
Changes in assets and liabilities: |  |
Accounts receivable | (727,905) | 602,187
Prepaid expenses | (86,433) | 98,618
Inventory | 303,162 | 301,489
Other current assets | (555,591) | (104,999)
Deposits and other assets, net | (122,107) | (24,716)
Accounts payable | 302,876 | 41,728
Accrued expenses | (872,298) | (1,393,462)
Operating lease liability | (232,709) | (206,729)
Deferred revenue | 3,585,261 | 3,337,417
Net cash from operating activities | 6,142,911 | 6,258,619
Cash flows from investing activities: |  |
Purchases of property and equipment | (12,193,470) | (1,554,004)
Payment of Duke license agreement | (5,000,000) | (5,106,224)
Purchases of marketable securities | (1,142,212) | 0
Sale of Marketable Securities | 1,140,472 | (0)
Net cash from investing activities | (17,195,210) | (6,660,228)
Cash flows from financing activities: |  |
Treasury stock purchases | (1,692,433) | 0
Repayments of note payable | (1,908,433) | (3,325,000)
Proceeds from the exercise of stock options | 551,274 | 1,066,290
Proceeds from note payable | 8,960,000 | 0
Issuance costs associated with the proceeds from the note payable | (196,501) | 0
Net cash from financing activities | 5,713,907 | (2,258,710)
Decrease in cash and cash equivalents | (5,338,392) | (2,660,319)
Cash and cash equivalents - beginning of period | 8,263,088 | 10,361,125
Cash and cash equivalents - end of period | 2,924,696 | 7,700,806
Supplemental non cash operating activities |  |
Lease liability arising from right-of-use asset | 0 | 904,691
Patent option agreement credit to purchase of patents and licenses | 0 | 500,000
Liabilities incurred for the purchase of patents and licenses | 0 | 11,258,083
Supplemental financing activities: |  |
Dividends declared but not yet paid | 7,672,728 | 0
Stock issued for the purchase of patents and licenses | 0 | 3,585,172
Supplemental cash flow information |  |
Interest | 776,517 | 516,000
Income Taxes | $ 1,377,133 | $ 1,901,025

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