<ARTICLE> 5
       
                                                  
<PERIOD-TYPE>                   12-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1996
<PERIOD-START>                             JAN-01-1995             JAN-01-1996
<PERIOD-END>                               DEC-31-1995             JUN-30-1996
<CASH>                                       6,362,420               4,197,154
<SECURITIES>                                         0               1,032,188
<RECEIVABLES>                                3,156,779               2,939,397
<ALLOWANCES>                                   199,160                 133,977
<INVENTORY>                                    585,985                 646,822
<CURRENT-ASSETS>                            10,204,978               8,734,110
<PP&E>                                       1,944,374               2,225,737
<DEPRECIATION>                                 751,840                 925,739
<TOTAL-ASSETS>                              12,064,905              11,088,136
<CURRENT-LIABILITIES>                        2,416,731               2,796,019
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        54,934                  57,818
<OTHER-SE>                                   2,824,346               6,091,805
<TOTAL-LIABILITY-AND-EQUITY>                12,064,905              11,088,136
<SALES>                                     15,911,453              10,527,962
<TOTAL-REVENUES>                            15,911,453              10,527,962
<CGS>                                       16,274,767               8,944,260
<TOTAL-COSTS>                               28,144,453              12,697,465
<OTHER-EXPENSES>                             (794,424)               (142,536)
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                           1,851,541                 260,196
<INCOME-PRETAX>                           (13,290,117)             (2,287,163)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                       (13,290,117)             (2,104,870)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                              (13,290,117)             (2,104,870)
<EPS-PRIMARY>                                   (2.40)                   (.36)
<EPS-DILUTED>                                   (2.40)                   (.36)