Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows (Unaudited)

v2.4.0.8
Consolidated Statements of Cash Flows (Unaudited) (USD $)
 6 Months Ended
May 31, 2013
May 31, 2012
Cash flows from operating activities:    
Net Income (Loss) $ 348 $ (4,906,993)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization expense 206,103 207,901
Abandonment of patents 378,837  
Loss on sale of property and equipment 44,428 7,210
Compensatory element of stock options 161,841 1,019,339
Provision for doubtful accounts 223,786 466,997
Equity in losses of affiliate 76,900 77,664
Loss on extinguishment of revenue sharing agreements   1,281,945
Deferred income tax expense   1,718,919
Changes in assets and liabilities:    
Accounts and notes receivable (98,631) (419,266)
Prepaid expenses and other current assets 57,237 (62,030)
Deposits and other assets, net 13,000 10,001
Accounts payable 67,544 170,281
Accrued expenses (96,550) 163,501
Deferred consulting obligation   (58,411)
Deferred revenue 54,553 (111,404)
Net cash provided by (used in) operating activities 1,089,396 (434,346)
Cash flows from investing activities:    
Restricted cash held in escrow 70,831 49,367
Purchases of property and equipment (230,369) (116,527)
Purchases of marketable securities and other investments (12,110) (13,380)
Proceeds from sale of marketable securities and other investments   1,008,404
Investments in patents (34,525) (20,385)
Net cash (used in) provided by investing activities (206,173) 907,479
Cash flows from financing activities:    
Extinguishment of revenue sharing agreements   (2,576,000)
Treasury stock purchases (667,966) (1,400,471)
Proceeds from the exercise of stock options 11,825  
Net cash used in financing activities (656,141) (3,976,471)
Increase (decrease) in cash and cash equivalents 227,082 (3,503,338)
Cash and cash equivalents - beginning of period 2,677,382 6,305,095
Cash and cash equivalents - end of period $ 2,904,464 $ 2,801,757