<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C> <C>
<PERIOD-TYPE> YEAR YEAR 3-MOS
<FISCAL-YEAR-END> DEC-31-1998 DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1998 JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1998 DEC-01-1999 MAR-31-2000
<CASH> 56 316 177
<SECURITIES> 0 0 0
<RECEIVABLES> 3,749 4,509 5,658
<ALLOWANCES> 110 62 103
<INVENTORY> 5,305 5,153 5,589
<CURRENT-ASSETS> 10,423 11,064 12,386
<PP&E> 12,458 13,129 14,121
<DEPRECIATION> 9,384 10,646 10,848
<TOTAL-ASSETS> 14,200 13,859 15,871
<CURRENT-LIABILITIES> 9,908 12,087 13,292
<BONDS> 0 0 0
0 0 0
0 0 0
<COMMON> 50 50 50
<OTHER-SE> (2,501) (2,525) (2,187)
<TOTAL-LIABILITY-AND-EQUITY> 14,200 13,859 15,871
<SALES> 24,851 27,461 9,561
<TOTAL-REVENUES> 24,851 27,461 9,561
<CGS> 18,439 18,000 6,178
<TOTAL-COSTS> 18,439 18,000 6,178
<OTHER-EXPENSES> 8,037 8,205 2,532
<LOSS-PROVISION> 0 0 0
<INTEREST-EXPENSE> 1,208 1,308 271
<INCOME-PRETAX> (2,775) 25 592
<INCOME-TAX> (1,119) 200 348
<INCOME-CONTINUING> (1,656) (175) 244
<DISCONTINUED> 0 0 0
<EXTRAORDINARY> 0 0 0
<CHANGES> 0 0 0
<NET-INCOME> (1,656) (175) 244
<EPS-BASIC> (0.33) (0.04) 0.05
<EPS-DILUTED> (0.33) (0.04) 0.04
</TABLE>