
<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
       
<S>                             <C>               
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998    
<PERIOD-END>                               MAR-31-1998  
<CASH>                                      16,290,419    
<SECURITIES>                                         0     
<RECEIVABLES>                                3,393,347      
<ALLOWANCES>                                    59,792        
<INVENTORY>                                  2,117,859  
<CURRENT-ASSETS>                            22,626,340  
<PP&E>                                      10,241,717 
<DEPRECIATION>                               3,006,447   
<TOTAL-ASSETS>                              29,861,610   
<CURRENT-LIABILITIES>                        3,481,174 
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0 
<PREFERRED>                                          0 
<COMMON>                                        85,239 
<OTHER-SE>                                  20,947,659
<TOTAL-LIABILITY-AND-EQUITY>                29,861,610
<SALES>                                      4,224,147 
<TOTAL-REVENUES>                             4,929,115
<CGS>                                        3,052,581
<TOTAL-COSTS>                                3,608,350
<OTHER-EXPENSES>                             1,007,927   
<LOSS-PROVISION>                                 7,500
<INTEREST-EXPENSE>                             114,631
<INCOME-PRETAX>                                326,048
<INCOME-TAX>                                    15,000
<INCOME-CONTINUING>                            311,048
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0  
<NET-INCOME>                                   311,048
<EPS-PRIMARY>                                     0.05
<EPS-DILUTED>                                     0.05
        

</TABLE>
