<ARTICLE> 5 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <EXCHANGE-RATE> 1 <CASH> 646,423 <SECURITIES> 23,244,378 <RECEIVABLES> 288,656 <ALLOWANCES> 75,000 <INVENTORY> 644,342 <CURRENT-ASSETS> 25,398,454 <PP&E> 3,722,832 <DEPRECIATION> 1,579,705 <TOTAL-ASSETS> 27,718,544 <CURRENT-LIABILITIES> 1,726,916 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 48,528,114 <OTHER-SE> (22,536,486) <TOTAL-LIABILITY-AND-EQUITY> 27,718,544 <SALES> 547,302 <TOTAL-REVENUES> 654,219 <CGS> 1,461,884 <TOTAL-COSTS> 4,388,811 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (3,157,935) <INCOME-TAX> 0 <INCOME-CONTINUING> (3,157,935) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (3,157,935) <EPS-BASIC> (0.25) <EPS-DILUTED> (0.25)