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Consolidated Statements of Cash Flows (Unaudited) (USD $) | 3 Months Ended
--- | ---
Feb. 28, 2014 | Feb. 28, 2013
Cash flows from operating activities: |  |
Net income | $ 397,112 | $ 244,006
Adjustments to reconcile net income to net cash (used in) provided by operating activities: |  |
Depreciation and amortization expense | 95,813 | 104,786
Compensatory element of stock options | 152,236 | 89,948
Provision for doubtful accounts | 161,891 | 86,135
Equity in losses of affiliate | 113,575 | 38,450
Changes in assets and liabilities: |  |
Accounts receivable | (529,649) | (36,759)
Notes receivable | 550,782 | 139,051
Prepaid expenses and other current assets | 77,758 | 108,604
Deposits and other assets, net | 42,628 | 7,999
Accounts payable | 231,176 | 234,994
Accrued expenses | (713,994) | (320,401)
Deferred revenue | (686,024) | (191,138)
Net cash (used in) provided by operating activities | (106,696) | 505,675
Cash flows from investing activities: |  |
Release of restricted cash held in escrow | 24,166 | 28,719
Purchases of property and equipment | (11,025) | (77,293)
Purchases of marketable securities and other investments | (61,685) |
Investments in patents |  | (28,382)
Investment in affiliate | (75,000) |
Net cash used in investing activities | (123,544) | (76,956)
Cash flows from financing activities: |  |
Treasury stock purchases | (451,913) | (247,045)
Net cash used in financing activities | (451,913) | (247,045)
(Decrease) increase in cash and cash equivalents | (682,153) | 181,674
Cash and cash equivalents - beginning of period | 3,925,156 | 2,677,382
Cash and cash equivalents - end of period | $ 3,243,003 | $ 2,859,056

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