| Net loss | 53K |
| Depreciation and amortization | 12K |
| Stock-based compensation | 148K |
| Change in allowance for doubtful accounts | -6K |
| Inventory write-down | |
| Write-down of excess GABA inventory | |
| Loss on disposal of fixed assets | |
| Deferred income taxes | |
| Other non-cash charges and credits | |
| Accounts receivable | -587K |
| Taxes receivable | |
| Inventory | 191K |
| Prepaid expenses and other current assets | 14K |
| Other assets | 0 |
| Accounts payable | -380K |
| Accrued expenses | 114K |
| Taxes payable | 21K |
| Net cash used in operating activities | |
| Purchase of certificate of deposit, restricted | |
| Redemption of certificate of deposit, restricted | |
| Purchase of fixed assets | -5K |
| Sale of fixed assets | |
| Net cash (used in) provided by investing activities | |
| Proceeds from issuance of common stock, net | |
| Proceeds from capital lease obligation | |
| Proceeds from exercise of stock options | 8K |
| Payments on capital lease obligations | -2K |
| Repayment of note payable | |
| Net cash provided by (used in) financing activities | |
| Net decrease in cash and cash equivalents | -23K |
| Effect of exchange rate changes on cash | 18K |
| Cash and cash equivalents, beginning of period | 772K |
| Cash and cash equivalents, end of period | 767K |
| Interest | 61K |
| Income taxes | 2K |