<TABLE> <S> <C>


<PAGE>
<ARTICLE> 5

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-END>                               MAR-31-1996             JUN-30-1996             SEP-30-1996             DEC-31-1996
<CASH>                                          96,405                 481,031                (61,419)                       0
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                1,042,141                 832,802                 967,232                 976,693
<ALLOWANCES>                                   216,000                 216,000                 216,000                 332,536
<INVENTORY>                                  1,013,395                 707,116                 776,793                 708,152
<CURRENT-ASSETS>                             1,963,814               1,973,058               1,612,745               1,467,717
<PP&E>                                       1,763,724               1,767,388               1,613,891               1,399,181
<DEPRECIATION>                               1,174,799               1,217,967               1,105,356                 915,942
<TOTAL-ASSETS>                               3,935,370               3,838,844               3,371,381               1,950,958
<CURRENT-LIABILITIES>                        3,179,545               2,399,872               2,455,194               4,732,400
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                       221,847                 236,544                 220,081                 231,082
<OTHER-SE>                                   (375,000)               (375,000)               (307,000)                (32,800)
<TOTAL-LIABILITY-AND-EQUITY>                 3,935,370               3,838,844               4,555,769               1,950,958
<SALES>                                      2,028,450               1,979,108               2,073,964               1,778,792
<TOTAL-REVENUES>                             2,026,450               1,979,108               2,073,964               1,778,792
<CGS>                                        1,190,945               1,358,993               1,434,722               1,403,981
<TOTAL-COSTS>                                1,025,871                 898,385                 946,849               2,317,974
<OTHER-EXPENSES>                                     0                       0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                            (59,663)                (84,120)               (125,255)               (444,210)
<INCOME-PRETAX>                              (235,252)               (351,630)               (458,655)             (2,339,234)
<INCOME-TAX>                                         0                       0                       0                       0
<INCOME-CONTINUING>                          (235,252)               (351,620)               (458,655)             (2,339,234)
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                 (235,252)               (351,630)               (458,655)             (2,339,234)
<EPS-PRIMARY>                                  ($0.05)                 ($0.08)                 ($0.11)                  (0.81)
<EPS-DILUTED>                                        0                       0                       0                       0



</TABLE>