Note 5 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

					IKONICS
	Domestic		Export		Imaging		DTX		AMS			Unalloc.			Total
Net sales	$	7,288,433	$	4,877,718	$	3,842,089	$	420,714	$	1,784,699		$	—		$	18,213,653
Cost of goods sold		4,397,353		3,841,712		2,034,254		137,039		1,549,268			—			11,959,626
Gross profit		2,891,080		1,036,006		1,807,835		283,675		235,431			—			6,254,027
Selling, general, and administrative*		1,289,923		509,549		1,001,147		150,698		367,533			2,032,116			5,350,966
Research and development*		—		—		—		—		—			677,242			677,242
Income (loss) from operations	$	1,601,157	$	526,457	$	806,688	$	132,977	$	(132,102	)	$	(2,709,358	)	$	225,819

					IKONICS
	Domestic		Export		Imaging		DTX		AMS			Unalloc.			Total
Net sales	$	6,934,433	$	4,722,950	$	4,021,970	$	817,640	$	746,251		$	—		$	17,243,244
Cost of goods sold		4,100,497		3,721,800		1,915,390		487,509		1,287,503			—			11,512,699
Gross profit (loss)		2,833,936		1,001,150		2,106,580		330,131		(541,252	)		—			5,730,545
Selling, general, and administrative*		1,345,427		645,973		1,065,957		168,553		376,498			1,904,058			5,506,466
Research and development*		—		—		—		—		—			688,688			688,688
Income (loss) from operations	$	1,488,509	$	355,177	$	1,040,623	$	161,578	$	(917,750	)	$	(2,592,746	)	$	(464,609	)

	Dec 31, 2018			Dec 31, 2017
Domestic	$	1,019,689		$	1,119,228
Export		610,334			558,872
IKONICS Imaging		280,939			238,813
DTX		15,692			64,278
AMS		331,708			238,848
Unallocated		(43,147	)		(29,779	)
Total	$	2,215,215		$	2,190,260