| Net income | 5.75M |
| Depreciation of property, plant and equipment | 880K |
| Amortization of intangible assets | 570K |
| Amortization of investment premium, net | 986K |
| Stock-based compensation | 918K |
| Tax benefit from stock option exercises | -457K |
| Deferred income taxes | -16K |
| Loss on disposition of property, plant and equipment | 25K |
| Accounts receivable | -1.78M |
| Inventories | 70K |
| Other current assets | -24K |
| Accounts payable | 2K |
| Accrued expenses | -545K |
| Net cash provided by operating activities | 6.37M |
| Purchases of property, plant and equipment | -1.74M |
| Investments in patents, trademarks and licenses | -239K |
| Purchases of investments | -43.51M |
| Proceeds from the maturity or sale of investments | 40.91M |
| Net cash used in investing activities | -4.59M |
| Proceeds related to stock-based compensation plans | 3.14M |
| Repurchase of the Company's common stock | -126K |
| Excess tax benefit from stock option exercises | 457K |
| Net cash provided by (used in) financing activities | 3.47M |
| NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 5.26M |
| CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 12.95M |
| CASH AND CASH EQUIVALENTS AT END OF PERIOD | 18.21M |