<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM JUNE 30,
2000 FORM 10Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 5,760,000
<SECURITIES> 4,052,000
<RECEIVABLES> 1,911,000
<ALLOWANCES> 0
<INVENTORY> 449,000
<CURRENT-ASSETS> 9,818,000
<PP&E> 3,580,000
<DEPRECIATION> 1,034,000
<TOTAL-ASSETS> 25,956,000
<CURRENT-LIABILITIES> 1,569,000
<BONDS> 0
0
0
<COMMON> 545,000
<OTHER-SE> 22,214,000
<TOTAL-LIABILITY-AND-EQUITY> 25,956,000
<SALES> 9,205,000
<TOTAL-REVENUES> 9,205,000
<CGS> 0
<TOTAL-COSTS> 6,481,000
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 2,724,000
<INCOME-TAX> 898,000
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 1,826,000
<EPS-BASIC> .48
<EPS-DILUTED> .48
</TABLE>