| Net income | |
| Stock-based compensation expense | 561K |
| Loss on disposition of long-term assets | 34K |
| Depreciation and amortization | 1.92M |
| Deferred income taxes | |
| Excess tax benefit from employee stock plans | |
| Trade accounts receivable | -606K |
| Other receivables | 302K |
| Inventories | 499K |
| Prepaid income taxes | 400K |
| Prepaid expenses, other | -184K |
| Accounts payable | -183K |
| Compensation and related expenses | -328K |
| Other accrued expenses | 152K |
| Accrued product warranties | |
| Accrued income taxes | 424K |
| Deferred revenue | 326K |
| Net cash provided by operating activities | |
| Purchases of marketable securities | |
| Proceeds from maturities of marketable securities | |
| Purchases of property, plant and equipment | -507K |
| Proceeds from sale of property and equipment | 50K |
| Cash paid for patent and trademark registrations | -130K |
| Other | 59K |
| Cash paid for investment in affiliated companies | |
| Net cash used in investing activities | |
| Proceeds from the exercise of stock options | 104K |
| Excess tax benefit from employee stock plans | |
| Dividends paid | -1.91M |
| Net cash used in financing activities | |
| Effect of exchange rate changes on cash and cash equivalents | |
| Net increase (decrease) in cash and cash equivalents | 1.46M |
| Beginning of period | 6.34M |
| End of period | 7.8M |
| Cash paid during the period for income taxes | 720K |
| Dividends accrued | |
| Purchases of fixed assets and intangibles in accounts payable | |