<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS FOUND ON PAGES 3 AND 4 OF THE COMPANY'S FORM 10-Q FOR THE YEAR-TO-DATE MARCH 31, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> MAR-31-1997 <CASH> 1,440 <SECURITIES> 0 <RECEIVABLES> 10,882 <ALLOWANCES> 0 <INVENTORY> 447 <CURRENT-ASSETS> 13,647 <PP&E> 7,381 <DEPRECIATION> 5,306 <TOTAL-ASSETS> 23,421 <CURRENT-LIABILITIES> 6,395 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 61,630 <OTHER-SE> (46,391) <TOTAL-LIABILITY-AND-EQUITY> 23,421 <SALES> 6,615 <TOTAL-REVENUES> 6,615 <CGS> 2,871 <TOTAL-COSTS> 2,871 <OTHER-EXPENSES> 812 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (51) <INCOME-PRETAX> 534 <INCOME-TAX> 0 <INCOME-CONTINUING> 534 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 534 <EPS-PRIMARY> .06 <EPS-DILUTED> .06