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v3.20.1

Consolidated Statements of Cash Flows - USD ($) | 3 Months Ended
--- | ---
Feb. 29, 2020 | Feb. 28, 2019
Cash flows from operating activities: |  |
Net income | $ 686,966 | $ 275,877
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization expense | 95,757 | 104,870
Change in fair value of contingent consideration | (51,412) | 367,057
Unrealized gains (losses) on marketable securities | (54,948) | 67,179
Compensatory element of stock options | 224,258 | 138,982
Provision for doubtful accounts | 152,991 | 240,643
Amortization of debt issuance costs | 24,481 | 29,894
Amortization of operating lease right-of-use asset | 66,491 |
Changes in assets and liabilities: |  |
Accounts receivable | 177,656 | (67,470)
Prepaid expenses | 48,588 | 1,261
Inventory | 70,394 | (96,712)
Other current assets | 61,333 | 49,570
Deposits and other assets, net | (18,210) | 68,250
Accounts payable | 12,131 | (251,261)
Accrued expenses | 628,627 | 217,220
Operating lease liability | (66,300) |
Deferred revenue | 556,760 | 708,682
Net cash provided by operating activities | 2,615,563 | 1,854,042
Cash flows used in investing activities: |  |
Purchases of property and equipment | (6,961) | (49,085)
Net cash used in investing activities | (6,961) | (49,085)
Cash flows from financing activities: |  |
Repayments of note payable | (775,000) | (774,999)
Proceeds from the exercise of stock options | 41,000 | 5,700
Net cash used in financing activities | (734,000) | (769,299)
Increase in cash and cash equivalents | 1,874,602 | 1,035,658
Cash and cash equivalents - beginning of period | 6,541,037 | 6,040,033
Cash and cash equivalents - end of period | 8,415,639 | 7,075,691
Supplemental non-cash operating activities: |  |
Operating lease right-of-use asset recorded due to adoption of ASC 842 | 562,775 |
Operating lease liability recorded due to adoption of ASC 842 | $ 562,775 |
Supplemental non-cash investing activities: |  |
Cumulative-effect adjustment due to the adoption of ASU 2016-01 |  | $ (340,984)

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