| Cash Flows From Operating Activities: | |
| Net loss | |
| Adjustments to reconcile net loss to net cash used in operating activities: | |
| Depreciation of property, plant and equipment, and investment in leased property | 544.8K |
| Amortization of intangible assets | 573.73K |
| Stock-based compensation | 505.69K |
| Loss on disposal of property, plant and equipment | 0 |
| Provision for bad debts | |
| Realized loss on available for sale securities | |
| Net unrealized gains on trading securities | |
| Change in fair value of auction rate debt securities repurchase agreement | 2.13M |
| Change in fair value of warrant liability | |
| Changes in assets and liabilities: | |
| Accounts receivable | -1.56M |
| Inventory | -1.54M |
| Prepaid expenses and other current assets | 91.62K |
| Accounts payable and accrued expenses | 642.95K |
| Deferred revenue | 1.23M |
| Net cash used in operating activities | |
| Cash Flows From Investing Activities: | |
| Purchase of property, plant and equipment | -1.91K |
| Investment in leased property, net | |
| Restricted cash | |
| Proceeds from disposal of property, plant and equipment | 0 |
| Proceeds from trading securities | |
| Proceeds from maturities and sales of available-for-sale securities | |
| Purchases of available-for-sale securities | |
| Net cash provided by investing activities | |
| Cash Flows From Financing Activities: | |
| Purchase of treasury stock | |
| Proceeds from issuance of common stock and warrants | 3.26M |
| Stock issuance costs | -943.56K |
| Repayment of borrowings under line of credit | |
| Principal payments on long-term debt | |
| Net cash provided by (used in) financing activities | |
| Effect of exchange rate changes on cash | |
| Increase (decrease) in cash and cash equivalents | -4.88M |
| Cash and cash equivalents, beginning of period | 9.38M |
| Cash and cash equivalents, end of period | 4.5M |