Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows

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Consolidated Statements of Cash Flows (USD $)
 9 Months Ended
Aug. 31, 2013
Aug. 31, 2012
Cash flows from operating activities:    
Net income (loss) $ 194,782 $ (5,454,090)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization expense 300,311 311,959
Abandonment of patents 378,837  
Loss on sale of property and equipment 44,428 7,210
Compensatory element of stock options 225,177 1,073,536
Provision for doubtful accounts 583,182 530,655
Equity in losses of affiliate 115,475 116,114
Loss on extinguishment of revenue sharing agreements   1,595,606
Deferred income tax expense   1,718,919
Changes in assets and liabilities:    
Accounts and notes receivable (319,521) (418,359)
Prepaid expenses and other current assets 136,719 119,318
Deposits and other assets, net 28,400 15,001
Accounts payable 34,929 575,609
Accrued expenses (1,232,887) (173,728)
Deferred consulting obligation   (72,183)
Deferred revenue 353,993 94,029
Net cash provided by operating activities 843,825 39,596
Cash flows from investing activities:    
Restricted cash held in escrow 1,156,030 51,502
Purchases of property and equipment (239,381) (137,678)
Purchases of marketable securities and other investments (18,480) (14,200)
Proceeds from sale of marketable securities and other investments   1,008,404
Investments in patents (34,525) (20,385)
Net cash provided by investing activities 863,644 887,643
Cash flows from financing activities:    
Extinguishment of revenue sharing agreements   (3,054,000)
Treasury stock purchases (672,066) (1,470,726)
Proceeds from the exercise of stock options 14,950  
Net cash used in financing activities (657,116) (4,524,726)
Increase (decrease) in cash and cash equivalents 1,050,353 (3,597,487)
Cash and cash equivalents - beginning of period 2,677,382 6,305,095
Cash and cash equivalents - end of period $ 3,727,735 $ 2,707,608