<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S ANNUAL REPORT ON FORM 10-KSB FOR THE YEAR ENDED SEPTEMBER 30, 1996,
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                                        <C>                     <C>
<PERIOD-TYPE>                                     YEAR                   YEAR
<FISCAL-YEAR-END>                          SEP-30-1996             SEP-30-1995
<PERIOD-START>                             OCT-01-1995             OCT-01-1994
<PERIOD-END>                               SEP-30-1996             SEP-30-1995
<CASH>                                       1,298,361                 115,919
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  741,416               2,457,193
<ALLOWANCES>                                         0                       0
<INVENTORY>                                    177,234                 125,883
<CURRENT-ASSETS>                             2,417,508               2,989,313
<PP&E>                                      14,567,559              13,136,324
<DEPRECIATION>                             (6,911,668)             (6,214,521)
<TOTAL-ASSETS>                              11,157,575              10,310,870
<CURRENT-LIABILITIES>                        8,252,263               2,714,963
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                     3,701,086                 187,664
<OTHER-SE>                                   (973,471)               2,682,432
<TOTAL-LIABILITY-AND-EQUITY>                11,157,575              10,310,870
<SALES>                                      6,583,508               8,628,165
<TOTAL-REVENUES>                             6,583,508               8,628,165
<CGS>                                        6,337,411               5,544,236
<TOTAL-COSTS>                                6,377,411               5,544,236
<OTHER-EXPENSES>                             3,717,598               2,470,322
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             934,041                 563,188
<INCOME-PRETAX>                            (4,445,542)                  50,419
<INCOME-TAX>                                 (631,975)                  20,362
<INCOME-CONTINUING>                        (3,813,567)                  30,057
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                 298,672
<NET-INCOME>                               (3,813,567)                 328,729
<EPS-PRIMARY>                                   (2.19)                    0.29
<EPS-DILUTED>                                   (2.19)                    0.29
        

</TABLE>