<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED FINANCIAL STATEMENTS CONTAINED IN THE COMPANY'S QUARTERLY REPORT ON
FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 1999, AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                       5,100,195
<SECURITIES>                                20,500,087
<RECEIVABLES>                                2,483,262
<ALLOWANCES>                                         0
<INVENTORY>                                    617,099
<CURRENT-ASSETS>                            30,800,832
<PP&E>                                      10,520,701
<DEPRECIATION>                              (2,530,924)
<TOTAL-ASSETS>                              41,998,800
<CURRENT-LIABILITIES>                        6,906,763
<BONDS>                                              0
<PREFERRED-MANDATORY>                       10,899,863
<PREFERRED>                                  3,599,625
<COMMON>                                             0
<OTHER-SE>                                  17,325,826
<TOTAL-LIABILITY-AND-EQUITY>                20,925,451
<SALES>                                              0
<TOTAL-REVENUES>                            30,348,212
<CGS>                                       21,599,543
<TOTAL-COSTS>                                8,748,669
<OTHER-EXPENSES>                             3,632,904
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 5,115,765
<EPS-BASIC>                                      .19
<EPS-DILUTED>                                      .19