Note 11 - Segment and Geographic Data (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Net Sales:	Three months ended June 30,2020		Three months ended June 30, 2019		Six months ended June 30,2020		Six months ended June 30, 2019
Dental	$	165,674	$	2,242,751	$	1,969,260	$	4,158,259
Medical		2,000		15,100		9,800		15,550
Total net sales	$	167,674	$	2,257,851	$	1,979,060	$	4,173,809

Operating (Loss):	Three months ended June 30,2020			Three months ended June 30, 2019			Six months ended June 30,2020			Six months ended June 30, 2019
Dental	$	(650,236	)	$	629,474		$	(223,856	)	$	1,121,440
Medical		(814,429	)		(664,658	)		(1,484,241	)		(1,156,341	)
Corporate		(1,708,225	)		(1,072,647	)		(3,073,399	)		(1,891,114	)
Total operating loss	$	(3,172,890	)	$	(1,107,831	)	$	(4,781,496	)	$	(1,926,015	)

Depreciation and Amortization:	Three months ended June 30,2020		Three months ended June 30, 2019		Six months ended June 30,2020		Six months ended June 30, 2019
Dental	$	3,101	$	3,950	$	8,800	$	7,886
Medical		621		5,999		4,333		12,170
Corporate		17,416		15,507		45,224		31,445
Total depreciation and amortization	$	21,138	$	25,456	$	58,357	$	51,501

(Loss) before taxes and equity in earnings of affiliates:	Three months ended June 30,2020			Three months ended June 30, 2019			Six months ended June 30,2020			Six months ended June 30, 2019
Dental	$	(651,384	)	$	627,051		$	(225,845	)	$	1,120,035
Medical		(815,391	)		(664,007	)		(1,486,310	)		(1,156,393	)
Corporate		(1,710,177	)		(1,060,788	)		(3,077,500	)		(1,840,553	)
Total loss before taxes and equity in earnings of affiliate	$	(3,176,952	)	$	(1,097,744	)	$	(4,789,655	)	$	(1,876,911	)

Total Assets:	June 30,2020		December 31, 2019
Dental	$	3,206,689	$	5,008,324
Medical		679,115		590,727
Corporate		17,077,884		957,238
Total assets	$	20,963,688	$	6,556,289

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Three months ended June 30, 2020						Three months ended June 30, 2019
	Dental		Medical		Total		Dental		Medical		Total
Domestic-US
Devices	$	-	$	-	$	-	$	119,338	$	10,800	$	130,138
Handpieces		36,812		2,000		38,812		897,057		300		897,357
Other		1,542		-		1,542		31,358		-		31,358
Total Domestic US	$	38,354	$	2,000	$	40,354	$	1,047,753	$	11,100	$	1,058,853
International ROW
Devices	$	31,800	$	-	$	31,800	$	357,796	$		$	357,796
Handpieces		87,632		-		87,632		760,163		4,000		764,163
Other		7,888		-		7,888		27,039		-		27,039
Total International ROW	$	127,320	$	-	$	127,320	$	1,144,998	$	4,000	$	1,148,998
International-China
Devices	$	-	$	-	$	-	$	-	$	-	$	-
Handpieces		-		-		-		50,000		-		50,000
Other		-		-		-		-		-		-
Total China	$	-	$	-	$	-	$	50,000	$	-	$	50,000
Total Product Sales	$	165,674	$	2,000	$	167,674	$	2,242,751	$	15,100	$	2,257,851

	Six months ended June 30, 2020						Six months ended June 30, 2019
	Dental		Medical		Total		Dental		Medical		Total
Domestic-US
Devices	$	525	$	-	$	525	$	221,405	$	10,800	$	232,205
Handpieces		633,490		2,000		635,490		1,597,016		300		1,597,316
Other		21,590		-		21,590		45,753				45,753
Total Domestic US	$	655,605	$	2,000	$	657,605	$	1,864,174	$	11,100	$	1,875,274
International ROW
Devices	$	274,304	$	7,600	$	281,904	$	665,068	$	-	$	665,068
Handpieces		1,017,923		200		1,018,123		1,480,667		4,400		1,485,067
Other		21,428		-		21,428		48,350				48,350
Total International-ROW	$	1,313,655	$	7,800	$	1,321,455	$	2,194,085	$	4,400	$	2,198,485
International-China
Devices	$	-	$	-	$	-	$	-	$	-	$	-
Handpieces		-		-		-		100,000		-		100,000
Other		-		-		-						-
Total China	$	-	$	-	$	-	$	100,000	$	-	$	100,000
Total Product Sales	$	1,969,260	$	9,800	$	1,979,060	$	4,158,260	$	15,500	$	4,173,759