Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows (Unaudited)

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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
May. 31, 2015
May. 31, 2014
Statement of Cash Flows [Abstract]    
Net Income $ 496,202 $ 612,885
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization expense 114,028 191,675
Abandonment of patents   25,649
Compensatory element of stock options 244,925 207,843
Provision for doubtful accounts 273,417 374,966
Equity in losses of affiliate 16,496 189,651
Changes in assets and liabilities:    
Accounts receivable 91,388 (1,134,216)
Notes receivable   550,782
Prepaid expenses and other current assets (111,329) 69,135
Other current assets (3,738)  
Deposits and other assets, net 11,243 47,628
Accounts payable 262,657 (34,801)
Accrued expenses (193,774) (580,174)
Deferred revenue 630,174 (159,266)
Net cash provided by operating activities 1,831,689 361,757
Cash flows from investing activities:    
Release of restricted cash held in escrow (111) 764,098
Purchases of property and equipment (40,942) (73,532)
Sales (purchases) of marketable securities and other investments, net (203,419) (102,650)
Investment in affiliate   (112,500)
Net cash (used in) provided by investing activities (244,472) 475,416
Cash flows from financing activities:    
Treasury stock purchases (952,463) (1,407,278)
Proceeds from the exercise of stock options   48,665
Net cash used in financing activities (952,463) (1,358,613)
Increase (decrease) in cash and cash equivalents 634,754 (521,440)
Cash and cash equivalents - beginning of period 3,279,267 3,925,156
Cash and cash equivalents - end of period 3,914,021 $ 3,403,716
Supplemental non-cash investing activities:    
Unrealized gain on marketable securities $ 226,276