| Net loss | |
| Depreciation of property, plant and equipment, and investment in leased property | |
| Amortization of intangible assets | 443K |
| Stock-based compensation | 6.75M |
| Loss on disposal of property, plant and equipment | 41K |
| 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 | |
| Change in fair value of warrant liability | |
| Accounts receivable | 10.64M |
| Inventory | -3.04M |
| Prepaid expenses and other current assets | -3.55M |
| Accounts payable and accrued expenses | 7.5M |
| Deferred revenue | -2.04M |
| Net cash used in operating activities | -29.67M |
| Purchase of property, plant and equipment | -2.46M |
| Investment in leased property, net | |
| Restricted cash | 1.91M |
| Proceeds from disposal of property, plant and equipment | |
| 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 | -45.14M |
| Purchase of treasury stock | |
| Proceeds from issuance of common stock and warrants | |
| Stock issuance costs | |
| Repayment of borrowings under line of credit | |
| Principal payments on long-term debt | |
| Net cash provided by (used in) financing activities | 53.36M |
| Effect of exchange rate changes on cash | -28K |
| Increase (decrease) in cash and cash equivalents | -21.48M |
| Cash and cash equivalents, beginning of period | 63.96M |
| Cash and cash equivalents, end of period | 42.49M |