<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE SEPTEMBER 30, 1998 FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-1998 DEC-31-1998 <PERIOD-START> JUL-01-1998 JAN-01-1998 <PERIOD-END> SEP-30-1998 SEP-30-1998 <CASH> 3,867 3,867 <SECURITIES> 594 594 <RECEIVABLES> 1,825 1,825 <ALLOWANCES> 39 39 <INVENTORY> 14 14 <CURRENT-ASSETS> 6,809 6,809 <PP&E> 5,759 5,759 <DEPRECIATION> 4,029 4,029 <TOTAL-ASSETS> 31,208 31,208 <CURRENT-LIABILITIES> 6,623 6,623 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 417 417 <OTHER-SE> 23,165 23,165 <TOTAL-LIABILITY-AND-EQUITY> 31,208 31,208 <SALES> 0 0 <TOTAL-REVENUES> 3,720 10,293 <CGS> 0 0 <TOTAL-COSTS> 3,530 9,764 <OTHER-EXPENSES> 179 505 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 11 24 <INCOME-PRETAX> 335 684 <INCOME-TAX> 119 247 <INCOME-CONTINUING> 219 438 <DISCONTINUED> 0 36 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 219 475 <EPS-PRIMARY> 0.05 0.11 <EPS-DILUTED> 0.04 0.09