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Note 10 - Segment and Geographic Data (Tables) | 3 Months Ended
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Mar. 31, 2022
Notes Tables |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three months ended March 31, |
Sales |  |  |  |  |  |  |  |
Net Sales: |  | 2022 |  |  | 2021 |
Dental |  | $ | 2,693,352 |  |  | $ | 2,853,657 |
Medical |  |  | 7,550 |  |  |  | 71,050 |
Total net sales |  | $ | 2,700,902 |  |  | $ | 2,924,707 |
Operating Income (Loss): |  | 2022 |  |  | 2021 |
Dental |  | $ | 354,240 |  |  | $ | 1,126,069 |
Medical |  |  | (1,236,091 | ) |  |  | (895,781 | )
Corporate |  |  | (1,032,632 | ) |  |  | (1,214,661 | )
Total operating loss |  | $ | (1,914,483 | ) |  | $ | (984,373 | )
Depreciation and Amortization: |  | 2022 |  |  | 2021 |
Dental |  | $ | 893 |  |  | $ | 1,706 |
Medical |  |  | 1,019 |  |  |  | 3,851 |
Corporate |  |  | 14,902 |  |  |  | 15,367 |
Total depreciation and amortization |  | $ | 16,814 |  |  | $ | 20,924 |
Income (loss) before taxes and equity in earnings of affiliates: |  | 2022 |  |  | 2021 |
Dental |  | $ | 352,797 |  |  | $ | 1,125,154 |
Medical |  |  | (1,237,540 | ) |  |  | (897,051 | )
Corporate |  |  | (1,034,482 | ) |  |  | (1,215,011 | )
Total loss before taxes and equity in earnings of affiliate |  | $ | (1,919,225 | ) |  | $ | (986,908 | )
Total Assets |  | March 31, 2022 |  |  | December 31, 2021 |
Dental |  | $ | 5,750,344 |  |  | $ | 6,163,169 |
Medical |  |  | 1,301,884 |  |  |  | 1,373,511 |
Corporate |  |  | 12,012,948 |  |  |  | 12,273,064 |
Total assets |  | $ | 19,065,176 |  |  | $ | 19,809,744 |
Sales by Product and by Geographical Region [Table Text Block] |
|  | March 31, 2022 |  |  | March 31, 2021 |
Domestic: US |  | Dental |  |  | Medical |  |  | Grand Total |  |  | Dental |  |  | Medical |  |  | Grand Total |
Instruments |  | $ | 122,968 |  |  | $ | - |  |  | $ | 122,968 |  |  | $ | 176,016 |  |  | $ | - |  |  | $ | 176,016 |
Handpieces |  |  | 795,859 |  |  |  | 7,550 |  |  |  | 803,409 |  |  |  | 794,984 |  |  |  | 8,150 |  |  |  | 803,134 |
Accessories |  |  | 24,860 |  |  |  | - |  |  |  | 24,860 |  |  |  | 17,908 |  |  |  | - |  |  |  | 17,908 |
Grand Total |  | $ | 943,687 |  |  | $ | 7,550 |  |  | $ | 951,237 |  |  | $ | 988,908 |  |  | $ | 8,150 |  |  | $ | 997,058 |
International: Rest of World |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Instruments |  | $ | 453,560 |  |  | $ | - |  |  | $ | 453,560 |  |  | $ | 383,255 |  |  | $ | 42,500 |  |  | $ | 425,755 |
Handpieces |  |  | 923,952 |  |  |  | - |  |  |  | 923,952 |  |  |  | 954,534 |  |  |  | 20,400 |  |  |  | 974,934 |
Accessories |  |  | 12,189 |  |  |  | - |  |  |  | 12,189 |  |  |  | 20,560 |  |  |  | - |  |  |  | 20,560 |
Grand Total |  | $ | 1,389,701 |  |  | $ | - |  |  | $ | 1,389,701 |  |  | $ | 1,358,349 |  |  | $ | 62,900 |  |  | $ | 1,421,249 |
International: China |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Instruments |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 150,000 |  |  | $ | - |  |  | $ | 150,000 |
Handpieces |  |  | 359,964 |  |  |  | - |  |  |  | 359,964 |  |  |  | 356,400 |  |  |  | - |  |  |  | 356,400 |
Accessories |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Grand Total |  | $ | 359,964 |  |  | $ | - |  |  | $ | 359,964 |  |  | $ | 506,400 |  |  | $ | - |  |  | $ | 506,400 |
Total Product Sales |  | $ | 2,693,352 |  |  | $ | 7,550 |  |  | $ | 2,700,902 |  |  | $ | 2,853,657 |  |  | $ | 71,050 |  |  | $ | 2,924,707 |

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