<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> JUN-30-1996 <PERIOD-START> JUL-01-1995 <PERIOD-END> JUN-30-1996 <CASH> 1,082,413 <SECURITIES> 0 <RECEIVABLES> 1,082,041 <ALLOWANCES> 18,000 <INVENTORY> 156,298 <CURRENT-ASSETS> 2,305,099 <PP&E> 4,073,890 <DEPRECIATION> 3,657,184 <TOTAL-ASSETS> 3,577,805 <CURRENT-LIABILITIES> 585,893 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 19,709 <OTHER-SE> 755,632 <TOTAL-LIABILITY-AND-EQUITY> 3,577,805 <SALES> 3,521,992 <TOTAL-REVENUES> 3,801,423 <CGS> 1,467,032 <TOTAL-COSTS> 2,783,540 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 1,061,259 <INCOME-TAX> 390,000 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 671,259 <EPS-PRIMARY> 0.34 <EPS-DILUTED> 0