<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Company's audited December 31, 1999 financial statements and is qualified in its
entirety by reference to such financial statements.
</LEGEND>

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998             DEC-31-1997
<PERIOD-START>                             JAN-01-1999             JAN-01-1998             JAN-01-1997
<PERIOD-END>                               DEC-31-1999             DEC-31-1998             DEC-31-1997
<CASH>                                       1,532,551                 369,407                 451,434
<SECURITIES>                                         0                       0                  50,000
<RECEIVABLES>                                6,760,318               4,327,860               2,885,125
<ALLOWANCES>                                 (153,677)                (32,644)                (18,992)
<INVENTORY>                                    129,519                 269,796                 136,116
<CURRENT-ASSETS>                               847,021               5,506,016               3,726,348
<PP&E>                                      14,638,731              10,046,316               3,467,063
<DEPRECIATION>                             (3,363,484)             (1,969,428)             (1,094,938)
<TOTAL-ASSETS>                              22,098,343              15,326,200               7,929,711
<CURRENT-LIABILITIES>                        7,546,400               6,763,920               3,213,366
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                  1,693,006                       0                       0
<COMMON>                                    11,478,003               7,463,931               6,158,584
<OTHER-SE>                                 (4,809,176)             (4,846,194)             (2,729,069)
<TOTAL-LIABILITY-AND-EQUITY>                22,098,343              15,326,200               7,929,711
<SALES>                                     28,328,791              19,009,645              10,234,403
<TOTAL-REVENUES>                            28,328,791              19,009,645              10,234,403
<CGS>                                       14,797,606              10,881,556               4,727,236
<TOTAL-COSTS>                               26,789,520              20,002,791              10,036,680
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                             848,013                 532,322                  99,496
<INCOME-PRETAX>                                691,258             (1,525,468)                  98,227
<INCOME-TAX>                                 (414,866)               (401,762)               (332,566)
<INCOME-CONTINUING>                             81,425             (2,117,125)               (436,808)
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                    81,425             (2,117,125)               (436,808)
<EPS-BASIC>                                        .01                  (0.58)                  (0.14)
<EPS-DILUTED>                                      .01                  (0.58)                  (0.14)


</TABLE>