
<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   6-MOS                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997             JUN-30-1997
<PERIOD-END>                               DEC-31-1997             JUN-30-1997
<CASH>                                        22112142                 9191919
<SECURITIES>                                         0                   80390
<RECEIVABLES>                                    95386                  430903
<ALLOWANCES>                                     88970                   76668
<INVENTORY>                                    9964480                 9461698
<CURRENT-ASSETS>                              32922596                19626360
<PP&E>                                        14172234                12104516
<DEPRECIATION>                                 5804809                 4565055
<TOTAL-ASSETS>                                43562597                29109294
<CURRENT-LIABILITIES>                         15916871                11351159
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                         22640                   22640
<OTHER-SE>                                    25024212                15271943
<TOTAL-LIABILITY-AND-EQUITY>                  43562597                29109294
<SALES>                                       74775621                95086125
<TOTAL-REVENUES>                              74775621                95086125
<CGS>                                         36709630                53968849
<TOTAL-COSTS>                                 22565227                32648788
<OTHER-EXPENSES>                                 23318                  114175
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                   94809
<INCOME-PRETAX>                               15812787                 8259504
<INCOME-TAX>                                   6492432                 3109985
<INCOME-CONTINUING>                            9320355                 5149519
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   9320355                 5149519
<EPS-PRIMARY>                                     0.41                    0.11
<EPS-DILUTED>                                     0.39                    0.11
        

</TABLE>
