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Consolidated Statements of Cash Flows (USD $) | 12 Months Ended
--- | ---
Nov. 30, 2012 | Nov. 30, 2011
Cash flows from operating activities: |  |
Net loss | $ (6,308,470) | $ (2,095,526)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation and amortization expense | 466,736 | 579,847
Impairment of internal use software | 0 | 627,034
Abandonment of patents | 52,536 | 210,171
Loss on sale of property and equipment |  | 20,474
Compensatory element of stock options | 1,325,196 | 329,001
Provision for doubtful accounts | 746,007 | 227,907
Equity in losses of affiliate | 154,564 | 227,016
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 | (522,366) | (2,046,177)
Prepaid expenses and other current assets | 118,105 | (129,774)
Deposits and other assets | (32,535) | 36,929
Accounts payable | 199,036 | (47,946)
Accrued expenses | 801,891 | 695,654
Deferred consulting obligation | (72,183) | (110,872)
Deferred revenue | 117,859 | 2,295,384
Net cash provided by operating activities | 360,901 | 819,122
Cash flows from investing activities: |  |
Restricted cash held in escrow | 123,156 | (2,500,000)
Purchases of property and equipment | (133,538) | (505,715)
Purchases of marketable securities and other investments | (13,660) |
Proceeds from sale of marketable securities and other investments | 1,008,404 | 130,000
Investments in patents | (22,006) | (88,785)
Net cash provided by ( used in ) investing activities | 962,356 | (2,964,500)
Cash flows from financing activities: |  |
Extinguishment of revenue sharing agreements | (3,248,000) |
Treasury stock purchases | (1,702,970) |
Proceeds from the exercise of stock options |  | 80,936
Net cash (used in) provided by financing activities | (4,950,970) | 80,936
Decrease in cash and cash equivalents | (3,627,713) | (2,064,442)
Cash and cash equivalents - beginning of period | 6,305,095 | 8,369,537
Cash and cash equivalents - end of period | $ 2,677,382 | $ 6,305,095

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