| Net loss | -3.52M |
| Depreciation and amortization | 2.36M |
| Stock-based compensation expense | 440K |
| Issuance of restricted stock awards | |
| Provision for (recovery of) bad debt expenses | |
| Debt cost expense | |
| Loss on disposal of fixed asset | |
| Accounts receivable | 1.4M |
| Inventories | -1.64M |
| Prepaid expenses and other current assets | |
| Accounts payable | 394.57K |
| Accrued expenses | 213.39K |
| Accrued compensation | |
| Advances from customers | 220.79K |
| Net cash used in operating activities | |
| Purchase of short-term investments | |
| Proceeds from short-term investment sales/maturities | |
| Purchase of property and equipment | -232.33K |
| Net cash used in investing activities | |
| Advance on line of credit—related party | |
| Payments of capital leases | |
| Proceeds from exercise of stock options | |
| Common stock repurchased | |
| Net cash provided by financing activities | |
| Net decrease in cash and cash equivalents | 2.26M |
| Cash and cash equivalents at beginning of period | 1.98M |
| Cash and cash equivalents at end of period | 4.24M |
| Interest | 47.75K |
| Income taxes | 35.42K |
| Net transfers of inventory to fixed assets for use as demonstration equipment | |
| Capital lease entered into for equipment purchase | |
| Issuance of stock warrants with line of credit—related party | |