<ARTICLE> 5 <MULTIPLIER> 1 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JUN-30-1998 <PERIOD-END> DEC-31-1997 <CASH> 581,138 <SECURITIES> 0 <RECEIVABLES> 1,644,515 <ALLOWANCES> 44,164 <INVENTORY> 370,643 <CURRENT-ASSETS> 2,745,947 <PP&E> 3,385,904 <DEPRECIATION> 3,032,429 <TOTAL-ASSETS> 3,391,100 <CURRENT-LIABILITIES> 2,218,423 <BONDS> 43,905 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 12,430,811 <OTHER-SE> (103,903) <TOTAL-LIABILITY-AND-EQUITY> 3,391,100 <SALES> 0 <TOTAL-REVENUES> 3,578,220 <CGS> 0 <TOTAL-COSTS> 2,900,033 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 24,260 <INCOME-PRETAX> (352,546) <INCOME-TAX> 0 <INCOME-CONTINUING> (352,546) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (352,546) <EPS-PRIMARY> (.09) <EPS-DILUTED> (.09)