<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1996             DEC-31-1995
<PERIOD-START>                             JAN-01-1997             JAN-01-1996             JAN-01-1995
<PERIOD-END>                               DEC-31-1997             DEC-31-1996             DEC-31-1995
<CASH>                                          14,544                   3,936                   3,490
<SECURITIES>                                    14,083                       0                       0
<RECEIVABLES>                                    6,433                  15,584                  14,828
<ALLOWANCES>                                     (681)                   (614)                 (1,798)
<INVENTORY>                                        246                  13,896                  15,796
<CURRENT-ASSETS>                                35,480                  34,211                  33,669
<PP&E>                                          19,618                  81,277                  87,701
<DEPRECIATION>                                (18,555)                (47,901)                (51,901)
<TOTAL-ASSETS>                                  37,451                  69,256                  72,537
<CURRENT-LIABILITIES>                           57,097                 101,506                  28,179
<BONDS>                                              0                     658                     829
<PREFERRED-MANDATORY>                                0                      45                      41
<PREFERRED>                                          0                       0                       0
<COMMON>                                           674                     373                     361
<OTHER-SE>                                    (20,320)                (34,428)                   2,112
<TOTAL-LIABILITY-AND-EQUITY>                    37,451                  69,256                  72,537
<SALES>                                         14,163                  27,600                  22,005
<TOTAL-REVENUES>                                29,486                  47,627                  49,328
<CGS>                                           21,411                  35,786                  34,975
<TOTAL-COSTS>                                   37,332                  53,608                  55,693
<OTHER-EXPENSES>                                 1,412                     554                    (75)
<LOSS-PROVISION>                                   149                   (550)                   2,735
<INTEREST-EXPENSE>                               5,883                   3,324                   2,786
<INCOME-PRETAX>                                      0                       0                       0
<INCOME-TAX>                                     1,903                   (364)                     847
<INCOME-CONTINUING>                                  0                       0                       0
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                    34,164                (70,732)                (81,354)
<EPS-PRIMARY>                                     0.11                  (2.61)                  (2.88)
<EPS-DILUTED>                                     0.11                  (2.61)                  (2.88)
        

</TABLE>