<ARTICLE> 5 <MULTIPLIER> 1 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <EXCHANGE-RATE> 1 <CASH> 4,558,668 <SECURITIES> 0 <RECEIVABLES> 1,151,956 <ALLOWANCES> 7,550 <INVENTORY> 928,047 <CURRENT-ASSETS> 6,903,221 <PP&E> 17,299,949 <DEPRECIATION> 7,258,197 <TOTAL-ASSETS> 17,280,746 <CURRENT-LIABILITIES> 1,796,454 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 41,948 <OTHER-SE> 13,028,239 <TOTAL-LIABILITY-AND-EQUITY> 17,280,746 <SALES> 1,626,528 <TOTAL-REVENUES> 3,050,434 <CGS> 1,977,965 <TOTAL-COSTS> 2,828,832 <OTHER-EXPENSES> 1,564,340 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 107,715 <INCOME-PRETAX> (1,342,738) <INCOME-TAX> 1,256 <INCOME-CONTINUING> (1,343,994) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (1,343,994) <EPS-PRIMARY> (0.26) <EPS-DILUTED> (0.26)