<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS FOUND ON
PAGES F-2 THROUGH F-4 OF THE COMPANY'S FORMS 10-KSB FOR THE YEARS ENDED 1995 AND
1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>

<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1996
<PERIOD-START>                             JAN-01-1995             JAN-01-1996
<PERIOD-END>                               DEC-31-1995             DEC-31-1996
<CASH>                                         385,167                 324,745
<SECURITIES>                                         0                       0
<RECEIVABLES>                                1,727,028               2,066,520
<ALLOWANCES>                                   399,141                 252,795
<INVENTORY>                                    697,383                 887,203
<CURRENT-ASSETS>                             2,686,489               3,140,100
<PP&E>                                       8,017,631               9,134,489
<DEPRECIATION>                               3,061,632               3,540,784
<TOTAL-ASSETS>                              13,145,633              15,217,123
<CURRENT-LIABILITIES>                        1,967,621               3,087,580
<BONDS>                                      2,644,704               4,192,431
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                  2,095,838               2,089,638
<COMMON>                                       130,103                 131,396
<OTHER-SE>                                   (301,326)               (774,027)
<TOTAL-LIABILITY-AND-EQUITY>                13,145,633              15,217,123
<SALES>                                              0                       0
<TOTAL-REVENUES>                            18,668,143              20,142,793
<CGS>                                                0                       0
<TOTAL-COSTS>                               17,955,473              20,040,889
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                               151,800                 206,221
<INTEREST-EXPENSE>                             562,105                 659,996
<INCOME-PRETAX>                                238,190               (577,123)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                            238,190               (577,123)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   238,190               (577,123)
<EPS-PRIMARY>                                     0.03                  (0.16)
<EPS-DILUTED>                                     0.03                  (0.16)


</TABLE>