| Net loss | -13.29M |
| Gain on disposal of discontinued operations | |
| Gain on disposal of fixed assets | |
| Noncash financing costs | |
| Noncash inventory impairment | |
| Noncash patent impairment | |
| Noncash other income | |
| Noncash decrease in accounts payable | |
| Depreciation and amortization | 4K |
| Noncash stock-based compensation | 1.49M |
| Common stock issued for agreement not to compete | |
| Series B Preferred Stock issued for consulting services | |
| Increase in receivables | |
| Increase in inventory | |
| (Increase) decrease in prepaid expenses and other current assets | -74K |
| Increase (decrease) in accounts payable and accrued expenses | -609K |
| Net cash used in operating activities | |
| Change in trading marketable securities | |
| Capital expenditures | |
| Purchase of technology rights and other assets | |
| Proceeds from sale of PP&E | |
| Cash acquired in purchase of FTI | |
| Proceeds from sale of subsidiary, less $12,345 for operating losses during 1990 phase-out period | |
| Proceeds from sale of the assets of FTI | |
| Increase in net assets held for disposal | |
| Net cash used in investing activities | |
| Proceeds from issuance of common stock, net of offering costs | 1.59M |
| Exercise of stock options & warrants | |
| Proceeds from a shareholder transaction | 0 |
| Proceeds from issuance of preferred stock | |
| Purchase of treasury stock | |
| Proceeds from issuance of notes payable | |
| Principal payments on notes payable | |
| Net cash provided by financing activities | |
| Net increase (decrease) in cash and cash equivalents | -10.89M |
| Cash and cash equivalents at beginning of period | 21.39M |
| Cash and cash equivalents at end of period | 10.51M |