| Net loss | -27.22M |
| Common stock, stock options and warrants issued as payment for compensation, services rendered and interest expense | 2.28M |
| Depreciation and amortization | 2.09M |
| Loss on short term investments | |
| Amortization of preferred stock discount and issuance cost | |
| Changes in fair value of derivative liability | |
| Write off of acquired in process research and development | |
| Loss on disposal of assets | |
| Charitable contributions paid with common stock | |
| Bad debt expense | |
| Deferred income taxes | |
| Prepaid expenses and other current assets | 708.94K |
| Accounts receivable | -1.71M |
| Inventory | -1.4M |
| Unearned revenues | 4.85M |
| Other assets | 249.49K |
| Accounts payable, accrued expenses and other current liabilities | |
| Net cash used in operating activities | -20.29M |
| Cash received in acquisition of PCT | |
| Purchase of short term investments | |
| Proceeds from short term investments | |
| Change in restricted cash used as collateral for notes payable | |
| Acquisition of property and equipment | -2.32M |
| Net cash used in investing activities | -2.32M |
| Net proceeds from the exercise of warrants | |
| Net proceeds from the exercise of options | |
| Net proceeds from issuance of capital stock | 11.65M |
| Payment from related party | |
| Repayment of mortgage loan | |
| Proceeds of bank loan | |
| Proceeds from notes payable | 368.62K |
| Repayment of notes payable | -1.17M |
| Repayment of debt to related party | |
| Repayment of bank loan | |
| Payment of dividend | |
| Net cash provided by financing activities | 20.9M |
| Impact of changes of foreign exchange rates | |
| Net (decrease)/increase in cash and cash equivalents | -1.71M |
| Cash and cash equivalents at beginning of year | 20.32M |
| Cash and cash equivalents at end of period | 18.61M |
| Interest | 1.68M |
| Taxes | |
| Acquisition of property and equipment | |
| Capitalized interest | |
| Common stock and warrants issued with the acquisition of PCT | |
| Common stock issued pursuant to the redemption of Convertible Redeemable Series E 7% Preferred Stock | |
| Common stock issued in payment of dividends for the Convertible Redeemable Series E 7% Preferred Stock | |
| Financing costs for capital stock raises | |
| Conversion of Convertible Redeemable Series C Preferred Stock | |
| Dividend to Related Party reinvested as loan payable | |