2. Revenue (Tables)
6 Months Ended
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]  
Disaggregation of revenues
    Benchtop Laboratory Equipment     Catalyst Research Instruments    

Bioprocessing

Systems

    Consolidated  
Three Months Ended December 31, 2019:                        
Revenues   $ 1,943,400     $ 39,500     $ 289,400     $ 2,272,300  
Foreign Sales     855,800       10,200       289,400       1,155,400  
                                 
Three Months Ended December 31, 2018:                                
Revenues   $ 1,803,100     $ 227,200     $ 132,900     $ 2,163,200  
Foreign Sales     743,600       222,900       128,600       1,095,100  

 

    Benchtop Laboratory Equipment     Catalyst Research Instruments    

Bioprocessing

Systems

    Consolidated  
Six Months Ended December 31, 2019:                        
Revenues   $ 3,519,600     $ 178,200     $ 578,700     $ 4,276,500  
Foreign Sales     1,253,400       81,900       578,700       1,914,000  

 

Six Months Ended December 31, 2018:                        
Revenues   $ 3,495,100     $ 444,600     $ 262,100     $ 4,201,800  
Foreign Sales     1,379,300       365,200       257,100       2,001,600