<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS CONTAINED ELSEWHERE IN THIS FORM 10-Q, AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
       
                                                                       
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JAN-01-1996             JAN-01-1996             JAN-01-1996
<PERIOD-END>                               MAR-31-1996             JUN-30-1996             SEP-30-1996
<CASH>                                      46,252,679              34,040,190              34,666,010
<SECURITIES>                                         0               6,167,538               4,950,471
<RECEIVABLES>                               15,734,614              21,900,287              24,774,447
<ALLOWANCES>                                         0                  88,845                 138,845
<INVENTORY>                                  9,087,507              12,451,845              14,858,138
<CURRENT-ASSETS>                            72,935,971              72,722,067              78,437,525
<PP&E>                                      25,856,135              31,320,594              34,703,406
<DEPRECIATION>                               1,693,908               2,541,513               3,281,563
<TOTAL-ASSETS>                             112,404,929             118,188,408             127,522,773
<CURRENT-LIABILITIES>                        8,328,160               9,452,662              10,889,208
<BONDS>                                              0                       0               4,973,514
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                    80,347,783              80,842,615              81,913,553
<OTHER-SE>                                  16,579,199                       0                       0
<TOTAL-LIABILITY-AND-EQUITY>               112,404,929             118,188,408             127,522,773
<SALES>                                     14,561,244              34,131,928              55,386,449
<TOTAL-REVENUES>                            14,561,244              34,131,928              55,386,449
<CGS>                                        6,876,083              16,363,767              27,678,847
<TOTAL-COSTS>                               12,029,031              28,204,511              46,085,847
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                              86,232                 253,163                 369,521
<INCOME-PRETAX>                              2,593,099               6,481,744              14,018,205
<INCOME-TAX>                                   889,048               2,082,407               4,608,075
<INCOME-CONTINUING>                          1,704,051               4,399,337               9,410,130
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                 1,704,051               4,399,337               9,410,130
<EPS-PRIMARY>                                      .12                     .28                     .57
<EPS-DILUTED>                                      .12                     .27                     .55