<ARTICLE> 5 <RESTATED> <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> 3,266,388 2,986,123 <SECURITIES> 0 0 <RECEIVABLES> 1,335,645 2,258,936 <ALLOWANCES> 0 0 <INVENTORY> 166,955 229,298 <CURRENT-ASSETS> 4,836,459 5,607,982 <PP&E> 10,073,215 17,585,571 <DEPRECIATION> 2,194,164 3,237,684 <TOTAL-ASSETS> 16,878,182 23,689,421 <CURRENT-LIABILITIES> 1,100,626 4,304,909 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 113,948 118,143 <OTHER-SE> 0 0 <TOTAL-LIABILITY-AND-EQUITY> 16,878,182 23,689,421 <SALES> 7,867,393 12,357,165 <TOTAL-REVENUES> 7,867,393 12,357,165 <CGS> 2,645,730 3,735,669 <TOTAL-COSTS> 5,059,530 6,941,284 <OTHER-EXPENSES> 26,995 6,311 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 51,967 84,517 <INCOME-PRETAX> 2,872,325 5,452,006 <INCOME-TAX> 1,100,000 2,067,500 <INCOME-CONTINUING> 1,772,325 3,384,506 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 1,772,325 3,384,506 <EPS-PRIMARY> .16 .29 <EPS-DILUTED> .15 .28