<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE JUNE 30, 1997 FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 6-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1997 <PERIOD-START> APR-01-1997 JAN-01-1997 <PERIOD-END> JUN-30-1997 JUN-30-1997 <CASH> 4,997 4,997 <SECURITIES> 3 3 <RECEIVABLES> 6,675 6,675 <ALLOWANCES> 25 25 <INVENTORY> 11 11 <CURRENT-ASSETS> 12,951 12,951 <PP&E> 5,604 5,604 <DEPRECIATION> 3,685 3,685 <TOTAL-ASSETS> 26,251 26,251 <CURRENT-LIABILITIES> 4,568 4,568 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 414 414 <OTHER-SE> 20,640 20,640 <TOTAL-LIABILITY-AND-EQUITY> 26,251 26,251 <SALES> 0 0 <TOTAL-REVENUES> 1,937 4,344 <CGS> 0 0 <TOTAL-COSTS> 2,441 4,632 <OTHER-EXPENSES> 160 202 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 2 5 <INCOME-PRETAX> (87) 546 <INCOME-TAX> 622 847 <INCOME-CONTINUING> (709) (301) <DISCONTINUED> (895) (936) <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 296 662 <EPS-PRIMARY> 0.07 0.16 <EPS-DILUTED> 0.07 0.16