Note 6 - Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

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

	IKONICS
			IKONICS
	Chromaline		Imaging		DTX		AMS			Unalloc.			Total
Net sales	$	2,029,341	$	1,088,806	$	92,760	$	317,784		$	—		$	3,528,691
Cost of goods sold		1,553,610		585,504		34,046		346,412			—			2,519,572
Gross profit (loss)		475,731		503,302		58,714		(28,628	)		—			1,009,119
Selling general and adminstrative*		445,003		322,453		34,605		88,148			491,756			1,381,965
Research and development*		—		—		—		—			178,842			178,842
Income (loss) from operations	$	30,728	$	180,849	$	24,109	$	(116,776	)	$	(670,598	)	$	(551,688	)

	IKONICS
			IKONICS
	Chromaline		Imaging		DTX		AMS			Unalloc.			Total
Net sales	$	2,340,810	$	1,219,348	$	88,666	$	422,654		$	—		$	4,071,478
Cost of goods sold		1,664,878		623,611		25,392		395,178			—			2,709,059
Gross profit		675,932		595,737		63,274		27,476			—			1,362,419
Selling general and adminstrative*		425,329		285,025		34,852		84,783			518,994			1,348,983
Research and development*		—		—		—		—			154,076			154,076
Income (loss) from operations	$	250,603	$	310,712	$	28,422	$	(57,307	)	$	(673,070	)	$	(140,640	)

	Mar 31, 2019			Dec 31, 2018
Chromaline	$	1,200,281		$	1,550,411
IKONICS Imaging		416,230			360,551
DTX		40,775			15,692
AMS		238,700			331,708
Unallocated		(74,872	)		(43,147	)
Total	$	1,821,114		$	2,215,215