| Net loss | -14.98M |
| Depreciation | |
| Stock-based compensation | 669K |
| Allowance for excess and obsolete inventory | |
| Provision for bad debts | 19K |
| Loss on sale of fixed assets | |
| Increase in accounts receivable | 926K |
| (Increase) decrease in inventory | -144K |
| Decrease in prepaid expenses | -245K |
| Decrease in accounts payable | -1.37M |
| Increase (decrease) in accrued expenses | -1.37M |
| Net cash used in operating activities | |
| Purchases of property and equipment | -508K |
| Purchases of investments | |
| Sales and maturities of investments | |
| Net cash provided by (used in) investing activities | |
| Proceeds from issuance of common stock | 2.51M |
| Net cash provided by financing activities | |
| Effect of exchange rate changes on cash and cash equivalents | -2K |
| Net decrease in cash and cash equivalents | -6.21M |
| Cash and cash equivalents, beginning of period | 8.54M |
| Cash and cash equivalents, end of period | 2.33M |