| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
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Three Months Ended September 30, | | |
Nine Months Ended September 30, | | | | |
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| | | Dental | | $ | 1,622,246 | | | $ | 2,853,813 | | | $ | 5,780,251 | | | $ | 9,066,550 | | | Medical | | | - | | | | - | | | | 76,100 | | | | - | | | Total net sales | | $ | 1,622,246 | | | $ | 2,853,813 | | | $ | 5,856,351 | | | $ | 9,066,550 | | | | | | | | | | | | | | | | | | | | | | |
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| | | Dental | | $ | (893,148 | ) | | $ | 711,589 | | | $ | 119,613 | | | $ | 2,547,599 | | | Medical | | | (454,306 | ) | | | (517,938 | ) | | | (2,008,852 | ) | | | (1,746,391 | ) | | Corporate | | | (3,200,126 | ) | | | (1,607,258 | ) | | | (6,084,685 | ) | | | (4,293,125 | ) | | Total operating Income (loss) | | $ | (4,547,580 | ) | | $ | (1,413,607 | ) | | $ | (7,973,924 | ) | | $ | (3,491,917 | ) | | | | | | | | | | | | | | | | | | | Depreciation and Amortization: | |
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| | | Dental | | $ | 3,889 | | | $ | 4,261 | | | $ | 12,133 | | | $ | 13,187 | | | Medical | | | 2,530 | | | | 5,515 | | | | 21,884 | | | | 21,436 | | | Corporate | | | 338,565 | | | | 155,092 | | | | 821,084 | | | | 196,632 | | | Total depreciation and amortization | | $ | 344,984 | | | $ | 164,868 | | | $ | 855,101 | | | $ | 231,255 | | | | | | | | | | | | | | | | | | | | Income (loss) before taxes and equity in earnings of affiliates: | |
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| | | Dental | | $ | (959,095 | ) | | $ | 714,840 | | | $ | 125,734 | | | $ | 2,553,437 | | | Medical | | | (454,906 | ) | | | (518,398 | ) | | | (2,010,595 | ) | | | (1,747,791 | ) | | Corporate | | | (3,133,819 | ) | | | (1,607,513 | ) | | | (6,088,167 | ) | | | (4,294,346 | ) | | Total income (loss) before taxes and equity in earnings of affiliate | | $ | (4,547,820 | ) | | $ | (1,411,071 | ) | | $ | (7,973,028 | ) | | $ | (3,488,700 | ) | | | | | | | | | | | | | | | | | | | | | |
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| | | Dental | | $ | 6,380,314 | | | $ | 10,255,144 | | | Medical | | | 384,849 | | | | 655,513 | | | Corporate | | | 860,058 | | | | 4,718,130 | | | Total assets | | $ | 7,625,221 | | | $ | 15,628,787 | | |
| Sales by Product and by Geographical Region [Table Text Block] |
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Three Months Ended September 30, | | |
Nine Months Ended September 30, | | | | |
2018 | | |
2017 | | |
2018 | | |
2017 | | | Devices | | $ | 119,190 | | | $ | 452,232 | | | $ | 251,743 | | | $ | 857,525 | | | Handpieces | | | 369,027 | | | | 893,496 | | | | 2,296,533 | | | | 3,230,567 | | | Other | | | 21,037 | | | | 12,338 | | | | 72,265 | | | | 53,037 | | Total Domestic US & Canada | | $ | 509,254 | | | $ | 1,358,066 | | | $ | 2,620,541 | | | $ | 4,141,129 | | | | | | | | | | | | | | | | | | | | | Devices | | $ | 299,872 | | | $ | 340,575 | | | $ | 952,390 | | | $ | 1,053,050 | | | Handpieces | | | 506,880 | | | | 765,821 | | | | 1,924,901 | | | | 2,068,007 | | | Other | | | 6,240 | | | | 32,951 | | | | 58,519 | | | | 89,764 | | | | | $ | 812,992 | | | $ | 1,139,347 | | | $ | 2,935,810 | | | $ | 3,210,821 | | | | | | | | | | | | | | | | | | | | | Devices | | $ | - | | | $ | - | | | $ | - | | | $ | 1,000,000 | | | Handpieces | | | 300,000 | | | | 356,400 | | | | 300,000 | | | | 712,800 | | | Other | | | - | | | | - | | | | - | | | | 1,800 | | | | | $ | 300,000 | | | $ | 356,400 | | | $ | 300,000 | | | $ | 1,714,600 | | Domestic. International Analysis | | | | | | | | | | | | | | | | | | Domestic-US & Canada | | $ | 509,254 | | | $ | 1,358,066 | | | $ | 2,620,541 | | | $ | 4,141,129 | | | International -ROW | | | 812,992 | | | | 1,139,347 | | | | 2,935,810 | | | | 3,210,821 | | | International -China | | | 300,000 | | | | 356,400 | | | | 300,000 | | | | 1,714,600 | | | | | $ | 1,622,246 | | | $ | 2,853,813 | | | $ | 5,856,351 | | | $ | 9,066,550 | | |