<ARTICLE> 5 <LEGEND> This schedule contains summary information extracted from unaudited financial statements contained in Form 10-Q for the quarter ending March 31, 1998 and is qualified in its entirety by reference to such financial statements. </LEGEND> <PERIOD-TYPE> 1-MO <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> MAR-31-1998 <CASH> 889,000 <SECURITIES> 672,000 <RECEIVABLES> 1,908,000 <ALLOWANCES> 81,000 <INVENTORY> 296,000 <CURRENT-ASSETS> 3,804,000 <PP&E> 2,278,000 <DEPRECIATION> 1,724,000 <TOTAL-ASSETS> 4,429,000 <CURRENT-LIABILITIES> 1,788,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 13,557,000 <OTHER-SE> 11,097,000 <TOTAL-LIABILITY-AND-EQUITY> 4,429,000 <SALES> 2,917,000 <TOTAL-REVENUES> 2,917,000 <CGS> 2,400,000 <TOTAL-COSTS> 2,400,000 <OTHER-EXPENSES> 501,000 <LOSS-PROVISION> 81,000 <INTEREST-EXPENSE> 4,000 <INCOME-PRETAX> 16,000 <INCOME-TAX> 0 <INCOME-CONTINUING> 16,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 16,000 <EPS-PRIMARY> 0.00 <EPS-DILUTED> 0.00