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Note 10 - Segment and Geographic Data (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

Three months ended September 30,

   

Nine months ended September 30,

 

Sales

                               

Net Sales:

 

2022

   

2021

   

2022

   

2021

 

Dental

  $ 2,206,499     $ 2,076,233     $ 6,509,619     $ 7,334,628  

Medical

    9,200       32,000       55,350       124,050  

Total net sales

  $ 2,215,699     $ 2,108,233     $ 6,564,969     $ 7,458,678  

Operating Income (Loss):

 

2022

   

2021

   

2022

   

2021

 

Dental

  $ 308,913     $ 193,252     $ 826,175     $ 1,844,083  

Medical

    (937,468 )     (937,876 )     (3,788,842 )     (2,968,596 )

Corporate

    (1,384,940 )     (1,236,297 )     (3,850,189 )     (4,713,353 )

Total operating loss

  $ (2,013,495 )   $ (1,980,921 )   $ (6,812,856 )   $ (5,837,866 )

Depreciation and Amortization:

 

2022

   

2021

   

2022

   

2021

 

Dental

  $ 951     $ 892     $ 2,737     $ 3,458  

Medical

    1,019       1,241       3,056       6,257  

Corporate

    14,691       14,220       44,328       42,398  

Total depreciation and amortization

  $ 16,661     $ 16,353     $ 50,121     $ 52,113  

Income (loss) before taxes and equity in earnings of affiliates:

 

2022

   

2021

   

2022

   

2021

 

Dental

  $ 307,699     $ 191,864     $ 822,270     $ 1,915,148  

Medical

    (938,963 )     (939,202 )     (3,793,236 )     (2,972,462 )

Corporate

    (1,354,219 )     (1,238,191 )     (3,815,071 )     (4,515,976 )

Total loss before taxes and equity in earnings of affiliate

  $ (1,985,483 )   $ (1,985,529 )   $ (6,786,037 )   $ (5,573,290 )

Total Assets

 

September 30, 2022

   

December 31, 2021

 

Dental

  $ 4,083,657     $ 6,163,169  

Medical

    863,470       1,373,511  

Corporate

    10,331,332       12,273,064  

Total assets

  $ 15,278,459     $ 19,809,744  
Sales by Product and by Geographical Region [Table Text Block]
   

Three months ended September 30, 2022

   

Three months ended September 30, 2021

 

Domestic: US

 

Dental

   

Medical

   

Grand Total

   

Dental

   

Medical

   

Grand Total

 

Instruments

  $ 164,341     $ 7,500     $ 171,841     $ 36,480     $ -     $ 36,480  

Handpieces

    678,473       1,700       680,173       721,149       11,500       732,649  

Accessories

    24,304       -       24,304       21,253       -       21,253  

Grand Total

  $ 867,118     $ 9,200     $ 876,318     $ 778,882     $ 11,500     $ 790,382  
                                                 

International: Rest of World

                                               

Instruments

  $ 436,069     $ -     $ 436,069     $ 253,063     $ 4,500     $ 257,563  

Handpieces

    881,616       -       881,616       674,133       16,000       690,133  

Accessories

    21,696       -       21,696       9,300             9,300  

Grand Total

  $ 1,339,381     $ -     $ 1,339,381     $ 936,496     $ 20,500     $ 956,996  
                                                 

International: China

                                               

Instruments

  $ -     $ -     $ -     $ -     $ -     $ -  

Handpieces

    -       -       -       360,855       -       360,855  

Accessories

    -       -       -             -       -  

Grand Total

  $ -     $ -     $ -     $ 360,855     $ -     $ 360,855  
                                                 

Total Product Sales

  $ 2,206,499     $ 9,200     $ 2,215,699     $ 2,076,233     $ 32,000     $ 2,108,233  
   

Nine months ended September 30, 2022

   

Nine months ended September 30, 2021

 

Domestic: US

 

Dental

   

Medical

   

Grand Total

   

Dental

   

Medical

   

Grand Total

 

Instruments

  $ 442,336     $ 7,500     $ 449,836     $ 391,250     $ -     $ 391,250  

Handpieces

    2,275,865       25,750       2,301,615       2,319,049       19,650       2,338,699  

Accessories

    73,210       2,100       75,310       58,134       -       58,134  

Grand Total

  $ 2,791,411     $ 35,350     $ 2,826,761     $ 2,768,433     $ 19,650     $ 2,788,083  
                                                 

International: Rest of World

                                               

Instruments

  $ 1,050,443     $ -     $ 1,050,443     $ 792,903     $ 62,500     $ 855,403  

Handpieces

    2,265,367       20,000       2,285,367       2,337,692       41,900       2,379,592  

Accessories

    42,434       -       42,434       42,409       -       42,409  

Grand Total

  $ 3,358,244     $ 20,000     $ 3,378,244     $ 3,173,004     $ 104,400     $ 3,277,404  
                                                 

International: China

                                               

Instruments

  $ -     $ -     $ -     $ 228,000     $ -     $ 228,000  

Handpieces

    359,964       -       359,964       1,165,191       -       1,165,191  

Accessories

    -       -       -       -       -       -  

Grand Total

    359,964       -     $ 359,964     $ 1,393,191     $ -     $ 1,393,191  
                                                 

Total Product Sales

  $ 6,509,619     $ 55,350     $ 6,564,969     $ 7,334,628     $ 124,050     $ 7,458,678